IG Group to continue offering binary options to current ...

IG Group To Stop Bitcoin Binary Options (And Why That's Good For Bitcoin)

IG Group To Stop Bitcoin Binary Options (And Why That's Good For Bitcoin) submitted by btctt to Bitcoin [link] [comments]

Reddit K-Pop Census Results 2020

Intro

It almost took us the same amount of time this year as it did last year. We think it's worth the wait. The results are in and we can't wait to share them with you!
This year we've received a tremendous amount of help from u/gates0fdawn. She designed the whole infographic you'll see linked below, we're super grateful she took the time to create this, we think it looks super good.
I would also like to shout out valuable community members who helped us out with both proofreading and giving valuable opinions. One of our Discord Mods: OldWhiskeyGuy from the subreddit discord server helped with proofreading a lot. u/SirBuckeye for valuable input and thoughts as well as industry officials who doesn't want to be named. Super thankful for all the help!
Yet again we kept the age gate, so every account created after August 1st were not allowed to participate in the census.

Click me to view the Census Results!

Breakdown and Comparison

Personal Questions

Where Do You Currently Live?

  • World Region - 56.8% of the participants are based in North America, majority in the US. 22% are in Europe, majority in the UK. 10.3% in Asia, with most users in Philippines, Singapore and India.
  • Time Zones - Check the infographic for a better overview for this one. Majority of users are in UTC-05 and UTC-06.

K-Pop Engagement Questions

  • How were you first exposed to K-pop? - This first segment got divided into two questions this year. Most of our users had their first exposure to K-Pop through a friend, co-worker or classmate. A lot also had their first exposure to K-Pop through Youtube videos and recommendations. 10.6% were exposed to K-Pop through Gangnam Style.
  • What got you into K-pop? - 29.2% said that there were specific artists / groups that made you stay in the genre. 25.7% got into K-Pop from specific songs and MVs. 15.4 were interested in the songs and albums.
  • When did you start listening to K-Pop? - The users who started listening to K-pop 5-3 years ago was the largest % here at 19.5%. Last year, 7.8% of our users started listening to K-Pop less than a year ago, that's now gone down to 5.2%.
  • How do you listen to K-Pop? - Paid streaming rose from 62.2% last year to 63.8% this year. Piracy declined from 18.3% to 14.5%.
  • What other genres do you listen to? - New question this year. The largest three genres were Pop (80.5%), Hip-Hop / Rap (47.1%) and Rock (42.4%)
  • Do you know Korean? - 75.9% know very little to no Korean. This is roughly the same as last years census at 75.9%. 3.3% can speak conversational Korean.
  • Are you learning Korean? - 38.1% wants to learn but haven't taken it seriously yet. 13.5% are actively engaged in learning Korean.
  • Where do you get your K-Pop news? - 98.8% use kpop to get their news. Twitter, group subreddits, Youtube and Instagram also score high.
  • How often do you visit kpop? - 35.5% visit kpop multiple times a day. while 31.2% visit about once a day. 21.4% visit a few times per week.
  • What is your primary way to view kpop? - 44.5% use the official mobile app. This has decreased from last years 60%. 18.1% use Desktop Redesign (me included). This has now overtaken Desktop Old Design at 16.9%.
  • Is this your first kpop census? Not included as a question in the infographic. 50.8% said that this is their first census. 22.5% had their first census last year. 26.7% said that their first census was two or more years ago.

Favourite Artists

Favourite Soloists:

  1. IU (2175 votes)
  2. Chungha (2004 votes)
  3. Sunmi (1782 votes)
  4. Taeyeon (1442 votes)
  5. Taemin (1080 votes)
  6. Agust D / Suga (1046 votes)
  7. Hwasa (1046 votes)
  8. Baekhyun (900 votes)
  9. Hyuna (879 votes)
  10. Zico (700 votes)
IU (1st, 2175) reclaims the 1st place over Chungha (2nd, 2004).
Sunmi (3rd, 1782), Taeyeon (4th, 1442) and Taemin (5th, 1080) keep their same position as last years census.
Agust D (6th, 1046) has moved from last year's 8th place and moved up to a combined 6th place with newcomer Hwasa (6th, 1046) Hwasa was previously voted 17th place at last years census.
Baekhyun (8th, 900) was placed at 16th place at last years census but now climbed up to 8th.
Hyuna (9th, 879) was 7th place at last years census but is now at 9th place. Zico (10th, 700) was voted to 23rd place last year, he's now up to 10th place.
Artists who dropped out of the top 10: RM (12th, 658), Heize (13th, 637), Dean (14th, 620).

Favourite Groups:

  1. Red Velvet (2857 votes)
  2. TWICE (2410 votes)
  3. BTS (1876 votes)
  4. ITZY (1555 votes)
  5. BLACKPINK (1550 votes)
  6. MAMAMOO (1464 votes)
  7. NCT (All Units) (1382 votes)
  8. LOONA (All Units) (1345 votes)
  9. (G)I-DLE (1334 votes)
  10. EXO (1320 votes)
Red Velvet (1st, 2857) retakes their throne over TWICE (2nd, 2410) this year.
BTS (3rd, 1876) is still topping the boy group vote.
ITZY (4th, 1555) was placed 12th place last year. They have now moved up and taken the 4th place, they have pushed Girls' Generation (12th, 1155) out of the top 10.
LOONA (8th, 1345) was 4th last year but has now been overtaken by NCT (7th, 1382), MAMAMOO (6th, 1464) and Blackpink (5th, 1550).
EXO (10th, 1320) went from 8th last year to 10th this year.
Artists who dropped out of the top 10: Girls' Generation (12th, 1155).
I recommend checking the infographic for this one to see the differences in male and female voting in both favourite groups and favourite soloists.

Final Note

Thank you all for participating in this years census! Sorry it took a little while for us to upload it, but we tried to do it as fast as possible. If there are any questions you'd like to see altered or improved for next years census then we're all ears. We think more data is better.
Cheers, and stay safe during this crazy pandemic.
Nish
submitted by NishinosanTV to kpop [link] [comments]

Securely generate 24-word Mnemonic using Dice

Disclaimer: This is for education purposes only. This is quite advanced for the average user. If you are to going to protect funds with a mnemonic generated using this method, use only a verified copy of tails and do all processes in a completely secure offline environment.
Let me begin by saying there is nothing to suggest that the RNG used in popular software/hardware wallets is flawed. The generation process uses TRNG's certified from 3rd parties which should satisfy the large majority of users. However, if you are the type that trusts no one and you want to verify your BIP39 Mnemonic is truly random or you just want to find out how it works, then you must generate it yourself.
The process itself is straightforward, The BIP39 dictionary contains 2048 words, each of these words represents 11 binary bits (0 or 1). A 24-word Mnemonic consists of 23 Words and a Checksum word. To create our own mnemonic we start by generating 256 bits of random binary then calculating the rest of the checksum. There is many ways to randomly generate the binary, but specifically for this tutorial we use six-sided dice. (If you have another means of generating the 256-bits, such as coin flips, then jump straight to step 10)
The entire process will be done only using tools built-in to tails. All base converisons will be done in the linux terminal using the 'bc' or Basic Calculator command. Calculating the checksum will use python standard library.
Tools needed:

Create BIP39 Mnemonic with Dice

Picture Album - https://imgur.com/a/sXTHr6c
submitted by Mcgillby to Bitcoin [link] [comments]

[Table] Asteroid Day AMA – We’re engineers and scientists working on a mission that could, one day, help save humankind from asteroid extinction. Ask us anything!

Source
There are several people answering: Paolo Martino is PM, Marco Micheli is MM, Heli Greus is HG, Detlef Koschny is DVK, and Aidan Cowley is AC.
Questions Answers
Can we really detect any asteroids in space with accuracy and do we have any real means of destroying it? Yes, we can detect new asteroids when they are still in space. Every night dozens of new asteroids are found, including a few that can come close to the Earth.
Regarding the second part of the question, the goal would be to deflect them more than destroy them, and it is technologically possible. The Hera/DART mission currently being developed by ESA and NASA will demonstrate exactly this capability.
MM
I always wanted to ask: what is worse for life on Earth - to be hit by a single coalesced asteroid chunk, or to be hit by a multiple smaller pieces of exploded asteroid, aka disrupted rubble pile scenario? DVK: This is difficult to answer. If the rubble is small (centimetres to meters) it is better to have lots of small ones – they’d create nice bright meteors. If the rubble pieces are tens of meters it doesn’t help.
Let’s say that hypothetically, an asteroid the size of Rhode Island is coming at us, it will be a direct hit - you’ve had the resources and funding you need, your plan is fully in place, everything you’ve wanted you got. The asteroid will hit in 10 years, what do you do? DVK: I had to look up how big Rhode Island is – a bit larger than the German Bundesland ‘Saarland’. Ok – this would correspond to an object about 60 km in diameter, right? That’s quite big – we would need a lot of rocket launches, this would be extremely difficult. I would pray. The good news is that we are quite convinced that we know all objects larger than just a few kilometers which come close to our planet. None of them is on a collision course, so we are safe.
the below is a reply to the above
Why are you quite convinced that you know all object of that size? And what is your approach in finding new celestial bodies? DVK: There was a scientific study done over a few years (published in Icarus 2018, search for Granvik) where they modelled how many objects there are out there. They compared this to the observations we have with the telescopic surveys. This gives us the expected numbers shown here on our infographic: https://www.esa.int/ESA_Multimedia/Images/2018/06/Asteroid_danger_explained
There are additional studies to estimate the ‘completeness’ – and we think that we know everything above roughly a few km in size.
To find new objects, we use survey telescopes that scan the night sky every night. The two major ones are Catalina and Pan-STARRS, funded by NASA. ESA is developing the so-called Flyeye telescope to add to this effort https://www.esa.int/ESA_Multimedia/Images/2017/02/Flyeye_telescope.
the below is a reply to the above
Thanks for the answer, that's really interesting! It's also funny that the fist Flyeye deployed is in Sicily, at less than 100km from me, I really had no idea DVK: Indeed, that's cool. Maybe you can go and visit it one day.
the below is a reply to the original answer
What about Interstellar objects however, like Oumuamua? DVK: The two that we have seen - 'Oumuamua and comet Borisov - were much smaller than the Saarland (or Rhode Island ;-) - not sure about Borisov, but 'Oumuamua was a few hundred meters in size. So while they could indeed come as a complete surprise, they are so rare that I wouldn't worry.
Would the public be informed if an impending asteroid event were to happen? And, how would the extinction play out? Bunch of people crushed to death, knocked off our orbit, dust clouds forever? DVK: We do not keep things secret – all our info is at the web page http://neo.ssa.esa.int. The ‘risky’ objects are in the ‘risk page’. We also put info on really close approaches there. It would also be very difficult to keep things ‘under cover’ – there are many high-quality amateur astronomers out there that would notice.
In 2029 asteroid Apophis will fly really close to Earth, even closer than geostationary satellites. Can we use some of those satellites to observe the asteroid? Is it possible to launch very cheap cube sats to flyby Apophis in 2029? DVK: Yes an Apophis mission during the flyby in 2029 would be really nice. We even had a special session on that topic at the last Planetary Defense Conference in 2019, and indeed CubeSats were mentioned. This would be a nice university project – get me a close-up of the asteroid with the Earth in the background!
the below is a reply to the above
So you’re saying it was discussed and shelved? In the conference we just presented ideas. To make them happen needs funding - in the case of ESA the support of our member countries. But having something presented at a conference is the first step. One of the results of the conference was a statement to space agencies to consider embarking on such a mission. See here: https://www.cosmos.esa.int/documents/336356/336472/PDC_2019_Summary_Report_FINAL_FINAL.pdf/341b9451-0ce8-f338-5d68-714a0aada29b?t=1569333739470
Go to the section 'resolutions'. This is now a statement that scientists can use to present to their funding agencies, demonstrating that it's not just their own idea.
Thanks for doing this AMA! Did we know the Chelyabinsk meteor in 2013 (the one which had some great videos on social media) was coming? Ig not, how comes? Also, as a little side one, have there been any fatalities from impact events in the past 20 years? Unfortunately, the Chelyabinsk object was not seen in advance, because it came from the direction of the Sun where ground-based telescopes cannot look.
No known fatalities from impacts have happened in the past 20 years, although the Chelyabinsk event did cause many injuries, fortunately mostly minor.
MM
the below is a reply to the above
How often do impacts from that direction happen, compared to impacts from visible trajectories? In terms of fraction of the sky, the area that cannot be easily scanned from the ground is roughly a circle with a radius of 40°-50° around the current position of the Sun, corresponding to ~15% of the total sky. However, there is a slight enhancement of objects coming from that direction, therefore the fraction of objects that may be missed when heading towards us is a bit higher.
However, this applies only when detecting an asteroid in its "final plunge" towards the Earth. Larger asteroids can be spotted many orbits earlier, when they are farther away and visible in the night side of the sky. Their orbits can then be determined and their possible impacts predicted even years or decades in advance.
MM
There must be a trade-off when targeting asteroids as they get closer to Earth, is there a rule of thumb at what the best time is to reach them, in terms of launch time versus time to reach the asteroid and then distance from Earth? DVK: Take e.g. a ‘kinetic impactor’ mission, like what DART and Hera are testing. Since we only change the velocity of the asteroid slightly, we need to hit the object early enough so that the object has time to move away from it’s collision course. Finding out when it is possible to launch requires simulations done by our mission analysis team. They take the strength of the launcher into account, also the available fuel for course corrections, and other things. Normally each asteroid has its own best scenario.
Do you also look at protecting the moon from asteroids? Would an impact of a large enough scale potentially have major impacts on the earth? DVK: There are programmes that monitor the Moon and look for flashes from impacting small asteroids (or meteoroids) - https://neliota.astro.noa.g or the Spanish MIDAS project. We use the data to improve our knowledge about these objects. These programmes just look at what is happening now.
For now we would not do anything if we predicted a lunar impact. I guess this will change once we have a lunar base in place.
Why aren't there an international organisation comprised of countries focused on the asteroid defence? Imagine like the organisation with multi-billion $ budget and program of action on funding new telescopes, asteroid exploration mission, plans for detection of potentially dangerous NEA, protocols on action after the detection - all international, with heads of states discussing these problems? DVK: There are international entities in place, mandated by the UN: The International Asteroid Warning Network (http://www.iawn.net) and the Space Mission Planning Advisory Group (http://www.smpag.net). These groups advise the United Nations. That is exactly where we come up with plans and protocols on action. But: They don’t have budget – that needs to come from elsewhere. I am expecting that if we have a real threat, we would get the budget. Right now, we don’t have a multi-billion budget.
the below is a reply to someone else's answer
There is no actual risk of any sizable asteroids hitting earth in the foreseeable future. Any preparation for it would just be a waste of money. DVK: Indeed, as mentioned earlier, we do not expect a large object to hit is in the near future. We are mainly worried about those in the size range of 20 m to 40 m, which happen on average every few tens of years to hundreds of years. And where we only know a percent of them or even less.
President Obama wanted to send a crewed spacecraft to an asteroid - in your opinion is this something that should still be done in the future, would there be any usefulness in having a human being walk/float on an asteroid's surface? DVK: It would definitely be cool. I would maybe even volunteer to go. Our current missions to asteroids are all robotic, the main reason is that it is much cheaper (but still expensive) to get the same science. But humans will expand further into space, I am sure. If we want to test human exploration activities, doing this at an asteroid would be easier than landing on a planet.
this is another reply Yes, but I am slightly biased by the fact that I work at the European astronaut centre ;) There exist many similarities to what we currently do for EVA (extra vehicular activities) operations on the International Space Station versus how we would 'float' around an asteroid. Slightly biased again, but using such a mission to test exploration technologies would definitely still have value. Thanks Obama! - AC
I've heard that some asteroids contains large amounts of iron. Is there a possibility that we might have "space mines" in the far away future, if our own supply if iron runs out? Yes, this is a topic in the field known as space mining, part of what we call Space Resources. In fact, learning how we can process material we might find on asteroids or other planetary bodies is increasingly important, as it opens up the opportunities for sustainable exploration and commercialization. Its a technology we need to master, and asteroids can be a great target for testing how we can create space mines :) - AC
By how much is DART expected to deflect Didymos? Do we have any indication of the largest size of an asteroid we could potentially deflect? PM: Didymos is a binary asteroid, consisting of a main asteroid Didymos A (~700m) and a smaller asteroid Didymos B (~150m) orbiting around A with a ~12 hours period. DART is expected to impact Didymos B and change its orbital period w.r.t. Didymos A of ~1%. (8 mins)
The size of Didymos B is the most representative of a potential threat to Earth (the highest combination of probability and consequence of impacts), meaning smaller asteroids hit the Earth more often but have less severe consequences, larger asteroids can have catastrophic consequences but their probability of hitting the earth is very very low.
the below is a reply to the above
Why is there less probability of larger asteroids hitting earth? DVK: There are less large objects out there. The smaller they are, the more there are.
the below is a reply to the original answer
Is there any chance that your experiment will backfire and send the asteroid towards earth? PM: Not at all, or we would not do that :) Actually Dimorphos (the Didymos "moon") will not even leave its orbit around Didymos. It will just slightly change its speed.
I'm sure you've been asked this many times but how realistic is the plot of Armageddon? How likely is it that our fate as a species will rely on (either) Bruce Willis / deep sea oil drillers? Taking into consideration that Bruce Willis is now 65 and by the time HERA is launched he will be 69, I do not think that we can rely on him this time (although I liked the movie).
HERA will investigate what method we could use to deflect asteroid and maybe the results will show that we indeed need to call the deep sea oil drillers.
HG
the below is a reply to the above
So then would it be easier to train oil drillers to become astronauts, or to train astronauts to be oil drillers? I do not know which one would be easier since I have no training/experience of deep see oil drilling nor becoming an astronaut, but as long as the ones that would go to asteroid have the sufficient skills and training (even Bruce Willis), I would be happy.
HG
If budget was no object, which asteroid would you most like to send a mission to? Nice question! For me, I'd be looking at an asteroid we know something about, since I would be interested in using it for testing how we could extract resources from it. So for me, I would choose Itokawa (https://en.wikipedia.org/wiki/25143_Itokawa), which was visited by Hayabusa spacecraft. So we already have some solid prospecting carried out for this 'roid! - AC
this is another reply Not sure if it counts as an asteroid, but Detlef and myself would probably choose ʻOumuamua, the first discovered interstellar object.
MM
the below is a reply to the above
Do we even have the capability to catch up to something like that screaming through our solar system? That thing has to have a heck of a velocity to just barrel almost straight through like that. DVK: Correct, that would be a real challenge. We are preparing for a mission called 'Comet Interceptor' that is meant to fly to an interstellar object or at least a fresh comet - but it will not catch up with it, it will only perform a short flyby.
https://www.esa.int/Science_Exploration/Space_Science/ESA_s_new_mission_to_intercept_a_comet
After proving to be able to land on one, could an asteroid serve as a viable means to transport goods and or humans throughout the solar system when the orbit of said asteroid proves beneficial. While it is probably quite problematic to land the payload, it could save fuel or am I mistaken? Neat idea! Wonder if anyone has done the maths on the amount of fuel you would need/save vs certain targets. - AC
PM: To further complement, the saving is quite marginal indeed because in order to land (softly) on the asteroid you actually need to get into the very same orbit of that asteroid . At that point your orbit remains the same whether you are on the asteroid or not..
can the current anti-ballistic missiles systems intercept a terminal phase earth strike asteroid? or it is better to know beforehand and launch an impacting vehicle into space? DVK: While I do see presentations on nuclear explosions to deflect asteroids at our professional meetings, I have not seen anybody yet studying how we could use existing missile systems. So it's hard to judge whether existing missiles would do the job. But in general, it is better to know as early as possible about a possible impact and deflect it as early as possible. This will minimize the needed effort.
How much are we prepared against asteroid impacts at this moment? DVK: 42… :-) Seriously – I am not sure how to quantify ‘preparedness’. We have international working groups in place, mentioned earlier (search for IAWN, SMPAG). We have a Planetary Defence Office at ESA, a Planetary Defense Office at NASA (who spots the difference?), search the sky for asteroids, build space missions… Still we could be doing more. More telescopes to find the object, a space-based telescope to discover those that come from the direction of the Sun. Different test missions would be useful, … So there is always more we could do.
Have you got any data on the NEO coverage? Is there estimations on the percentage of NEOs we have detected and are tracking? How can we improve the coverage? How many times have asteroids been able to enter earths atmosphere without being detected beforehand? Here’s our recently updated infographics with the fraction of undiscovered NEOs for each size range: https://www.esa.int/ESA_Multimedia/Images/2018/06/Asteroid_danger_explained
As expected, we are now nearly complete for the large ones, while many of the smaller ones are still unknown.
In order to improve coverage, we need both to continue the current approach, centered on ground-based telescopes, and probably also launch dedicated telescopes to space, to look at the fraction of the sky that cannot be easily observed from the ground (e.g., towards the Sun).
Regarding the last part of your question, small asteroids enter the Earth atmosphere very often (the infographics above gives you some numbers), while larger ones are much rarer.
In the recent past, the largest one to enter our atmosphere was about 20 meters in diameter, and it caused the Chelyabinsk event in 2013. It could not be detected in advance because it came from the direction of the Sun.
We have however detected a few small ones before impact. The first happened in 2008, when a ~4-meter asteroid was found to be on a collision course less than a day before impact, it was predicted to fall in Northern Sudan, and then actually observed falling precisely where (and when) expected.
MM
this is another reply >After
DVK: And to add what MM said - Check out http://neo.ssa.esa.int. There is a ‘discovery statistics’ section which provides some of the info you asked about. NASA is providing similar information here https://cneos.jpl.nasa.gov/stats/. To see the sky which is currently covered by the survey telescopes, you need to service of the Minor Planet Center which we all work together with: http://www.minorplanetcenter.org, ‘observers’, ‘sky coverage’. That is a tool we use to plan where we look with our telescopes, so it is a more technical page.
Are there any automatic systems for checking large numbers of asteroids orbits, to see if the asteroid's orbit is coming dangerously close to Earth, or is it done by people individually for every asteroid? I ask it because LSST Rubin is coming online soon and you know it will discover a lot of new asteroids. Yes, such systems exist, and monitor all known and newly discovered asteroids in order to predict possible future impacts.
The end result of the process is what we call "risk list": http://neo.ssa.esa.int/risk-page
It is automatically updated every day once new observational data is processed.
MM
What are your favourite sci-fi series? DVK: My favorites are ‘The Expanse’, I also liked watching ‘Salvation’. For the first one I even got my family to give me a new subscription to a known internet streaming service so that I can see the latest episodes. I also loved ‘The Jetsons’ and ‘The Flintstones’ as a kid. Not sure the last one counts as sci-fi though. My long-time favorite was ‘Dark Star’.
this is another reply Big fan of The Expanse at the moment. Nice, hard sci-fi that has a good impression of being grounded in reality - AC
this is another reply When I was a kid I liked The Jetsons, when growing up Star Trek, Star wars and I also used to watch with my sister the 'V'.
HG
When determining the potential threat of a NEA, is the mass of an object a bigger factor or size? I'm asking because I'm curious if a small but massive object (say, with the density of Psyche) could survive atmospheric entry better than a comparatively larger but less massive object. The mass is indeed what really matters, since it’s directly related with the impact energy.
And as you said composition also matters, a metal object would survive atmospheric entry better, not just because it’s heavier, but also because of its internal strength.
MM
What are your thoughts on asteroid mining as portrayed in sci-fi movies? Is it feasible? If so would governments or private space programs be the first to do so?What type of minerals can be found on asteroids that would merit the costs of extraction? Certainly there is valuable stuff you can find on asteroids. For example, the likely easiest material you can harvest from an asteroid would be volatiles such as H2O. Then you have industrial metals, things like Iron, Nickel, and Platinum group metals. Going further, you can break apart many of the oxide minerals you would find to get oxygen (getting you closer to producing rocket fuel in-situ!). Its feasible, but still needs alot of testing both here on Earth and eventually needs to be tested on a target. It may be that governments, via agencies like ESA or NASA, may do it first, to prove the principles somewhat, but I know many commercial entities are also aggresively working towards space mining. To show you that its definitely possible, I'd like to plug the work of colleagues who have processed lunar regolith (which is similar to what you may find on asteroids) to extract both oxygen and metals. Check it out here: http://www.esa.int/ESA_Multimedia/Images/2019/10/Oxygen_and_metal_from_lunar_regolith
AC
Will 2020's climax be a really big rock? DVK: Let's hope not...
Considering NASA, ESA, IAU etc. is working hard to track Earth-grazing asteroids, how come the Chelyabinsk object that airburst over Russia in 2013 came as a total surprise? The Chelyabinsk object came from the direction of the Sun, where unfortunately ground-based telescopes cannot look at. Therefore, it would not have been possible to discover it in advance with current telescopes. Dedicated space telescopes are needed to detect objects coming from this direction in advance.
MM
the below is a reply to the above
Is this to say that it was within specific solid angles for the entire time that we could have observed it given its size and speed? Yes, precisely that. We got unlucky in this case.
MM
Have any of you read Lucifer's Hammer by Larry Niven? In your opinion, how realistic is his depiction of an asteroid strike on Earth? DVK: I have – but really long ago, so I don’t remember the details. But I do remember that I really liked the book, and I remember I always wanted to have a Hot Fudge Sundae when reading it.
I was thinking about the asteroid threat as a teen and came up with this ideas (Hint: they are not equally serious, the level of craziness goes up real quick). Could you please comment on their feasibility? 1. Attaching a rocket engine to an asteroid to make it gradually change trajectory, do that long in advance and it will miss Earth by thousands of km 2. Transporting acid onto asteroid (which are mainly metal), attaching a dome-shaped reaction chamber to it, using heat and pressure to then carry out the chemical reaction to disintegrate asteroids 3. This one is even more terrible than a previous one and totally Dan Brown inspired — transporting antimatter on asteroid, impacting and causing annihilation. Thank you for this AMA and your time! DVK: Well the first one is not so crazy, I have seen it presented... the difficulty is that all asteroids are rotating in one way or another. So if you continuously fire the engine it would not really help. You'd need to switch the engine on and off. Very complex. And landing on an asteroid is challenging too. Just using the 'kinetic impactor' which we will test with DART/Hera (described elsewhere in this chat) is simpler. Another seriously proposed concept is to put a spacecraft next to an asteroid and use an ion engine (like we have on our Mercury mission BepiColombo) to 'push' the asteroid away.
As for 2 and 3 I think I will not live to see that happening ;-)
What is the process to determine the orbit of a newly discovered asteroid? The process is mathematically quite complex, but here's a short summary.
Everything starts with observations, in particular with measurements of the position of an asteroid in the sky, what we call "astrometry". Discovery telescopes extract this information from their discovery images, and make it available to everybody.
These datapoints are then used to calculate possible trajectories ("orbits") that pass through them. At first, with very few points, many orbits will be possible.
Using these orbits we can extrapolate where the asteroid will be located during the following nights, use a telescope to observe that part of the sky, and locate the object again.
From these new observations we can extract new "astrometry", add it to the orbit determination, and see that now only some of the possible orbits will be compatible with the new data. As a result, we now know the trajectory better than before, because a few of the possible orbits are not confirmed by the new data.
The cycle can then continue, with new predictions, new observations, and a more accurate determination of the object's orbit, until it can be determined with an extremely high level of accuracy.
MM
What are some asteroids that are on your "watchlist"? We have exactly that list on our web portal: http://neo.ssa.esa.int/risk-page
It's called "risk list", and it includes all known asteroids for which we cannot exclude a possible impact over the next century. It is updated every day to include newly discovered asteroids, and remove those that have been excluded as possible impactors thanks to new observations.
MM
the below is a reply to the above
That's quite a list!! Do you guys ever feel stressed or afraid when you have to add another dangerous candidate (and by dangerous I mean those above 200m) is added to this Risk List? Yes, when new dangerous ones are added it's important that we immediately do our best to gather more data on them, observing them with telescopes in order to get the information we need to improve our knowledge of their orbit.
And then the satisfaction of getting the data needed to remove one from the list is even greater!
MM
What inspired you to go into this field of study? I was fascinated by astronomy in general since I was a kid, but the actual "trigger" that sparked my interest in NEOs was a wonderful summer course on asteroids organized by a local amateur astronomers association. I immediately decided that I would do my best to turn this passion into my job, and I'm so happy to have been able to make that dream come true.
MM
this is another reply DVK: I started observing meteors when I was 14, just by going outside and looking at the night sky. Since then, small bodies in the solar system were always my passion.
As a layperson, I still think using nuclear weapons against asteroids is the coolest method despite better methods generally being available. Do you still consider the nuclear option the cool option, or has your expertise in the field combined with the real-life impracticalities made it into a laughable/silly/cliche option? DVK: We indeed still study the nuclear option. There are legal aspects though, the ‘outer space treaty’ forbids nuclear explosions in space. But for a large object or one we discover very late it could be useful. That’s why we have to focus on discovering all the objects out there as early as possible – then we have time enough to use more conventional deflection methods, like the kinetic impactor (the DART/Hera scenario).
It seems like doing this well would require international cooperation, particularly with Russia. Have you ever reached out to Russia in your work? Do you have a counterpart organization there that has a similar mission? DVK: Indeed international cooperation is important - asteroids don't know about our borders! We work with a Russian team to perform follow-up observations of recently discovered NEOs. Russia is also involved in the UN-endorsed working groups that we have, IAWN and SMPAG (explained in another answer).
how much can experts tell from a video of a fireball or meteor? Can you work out what it's made of and where it came from? https://www.reddit.com/space/comments/hdf3xe/footage_of_a_meteor_at_barrow_island_australia/?utm_source=share&utm_medium=web2x If multiple videos or pictures, taken from different locations, are available, then it's possible to reconstruct the trajectory, and extrapolate where the object came from.
Regarding the composition, it's a bit more difficult if nothing survives to the ground, but some information can be obtained indirectly from the fireball's color, or its fragmentation behavior. If a spectral analysis of the light can be made, it's then possible to infer the chemical composition in much greater detail.
MM
I've always wanted to know what the best meteorite buying site is and what their average price is?? DVK: Serious dealers will be registered with the 'International Meteorite Collectors Association (IMCA)' - https://www.imca.cc/. They should provide a 'certificate of authenticity' where it says that they are member there. If you are in doubt, you can contact the association and check. Normally there are rough prices for different meteorite types per gram. Rare meteorites will of course be much more expensive than more common ones. Check the IMCA web page to find a dealer close to you.
Just read through Aidans link to the basaltic rock being used as a printing material for lunar habitation. There is a company called Roxul that does stone woven insulation that may be able to shed some light on the research they have done to minimize their similarity to asbestos as potentially carcinogenic materials deemed safe for use in commercial and residential applications. As the interior surfaces will essentially be 3D printed lunar regolith what are the current plans to coat or dampen the affinity for the structure to essentially be death traps for respiratory illness? At least initially, many of these 3d printed regolith structures would not be facing into pressurised sections, but would rather be elements placed outside and around our pressure vessels. Such structures would be things like radiation shields, landing pads or roadways, etc. In the future, if we move towards forming hermetically sealed structures, then your point is a good one. Looking into terrestrial solutions to this problem would be a great start! - AC
What kind of career path does it take to work in the asteroid hunting field? It's probably different for each of us, but here's a short summary of my own path.
I became interested in asteroids, and near-Earth objects in particular, thanks to a wonderful summer course organized by a local amateur astronomers association. Amateur astronomers play a great role in introducing people, and young kids in particular, to these topics.
Then I took physics as my undergrad degree (in Italy), followed by a Ph.D. in astronomy in the US (Hawaii in particular, a great place for astronomers thanks to the exceptional telescopes hosted there).
After finishing the Ph.D. I started my current job at ESA's NEO Coordination Centre, which allowed me to realize my dream of working in this field.
MM
this is another reply DVK: Almost all of us have a Master's degree either in aerospace engineering, mathematics, physics/astronomy/planetary science, or computer science. Some of us - as MM - have a Ph.D. too. But that's not really a requirement. This is true for our team at ESA, but also for other teams in other countries.
What is the likelihood of an asteroid hitting the Earth In the next 200 years? It depends on the size, large ones are rare, while small ones are much more common. You can check this infographics to get the numbers for each size class: https://www.esa.int/ESA_Multimedia/Images/2018/06/Asteroid_danger_explained
MM
Have you played the Earth Defence Force games and if you have, which one is your favourite? No I have not played the Earth Defence Force games, but I just looked it up and I think I would liked it. Which one would you recommend?
HG
How close is too close to earth? Space is a SUPER vast void so is 1,000,000 miles close, 10,000,000? And if an asteroid is big enough can it throw earth off its orbit? DVK: Too close for my taste is when we compute an impact probability > 0 for the object. That means the flyby distance is zero :-) Those are the objects on our risk page http://neo.ssa.esa.int/risk-page.
If an object can alter the orbit of another one, we would call it planet. So unless we have a rogue planet coming from another solar system (verrry unlikely) we are safe from that.
How can I join you when I'm older? DVK: Somebody was asking about our career paths... Study aerospace engineering or math or physics or computer science, get a Masters. Possibly a Ph.D. Then apply for my position when I retire. Check here for how to apply at ESA: https://www.esa.int/About_Us/Careers_at_ESA/Frequently_asked_questions2#HR1
How much is too much? DVK: 42 again
Are you aware of any asteroids that are theoretically within our reach, or will be within our reach at some point, that are carrying a large quantity of shungite? If you're not aware, shungite is like a 2 billion year old like, rock stone that protects against frequencies and unwanted frequencies that may be traveling in the air. I bought a whole bunch of the stuff. Put them around the la casa. Little pyramids, stuff like that. DVK: If I remember my geology properly, Shungite forms in water sedimental deposits. This requires liquid water, i.e. a larger planet. So I don't think there is a high chance to see that on asteroids.
submitted by 500scnds to tabled [link] [comments]

Nadex API

I have written in a couple support tickets related to Nadex API and have received very short answers. I was hoping that like the rest of the IG group we would have access to the Nadex API. GitHub has a lot of the work already done and available for interested parties to utilize. I'm a strong believer that a good strategy can be automated. Outside the USA we have developers who's entire success is related to creating automated trading systems for different binary brokers. We have binary.com which has a simple plug and play bot creation tool that is amazing and simple to use. I know that Apex Investing who provides a lot of material and tools for Nadex community was also working on using the Nadex API at one point. These are all tools and options in a brokeexchange that the majority of people are looking for. Lets get the conversation started and hope the Nadex team can shed some light on future developments in this direction. Thanks Nadex Team.
submitted by boyslav to Nadex [link] [comments]

A long guide to everything about modifying Mass Effect 2

It took me about three days to figure this all out, but here's a guide to everything from fixing glitches, installing texture mods and getting the stupid DLC to work. Here's a link to someone else's guide if you want. He made some different changes.

Downloads (some of these are optoinal)

A Lot of Textures (ALOT) will seriously improve the graphical fidelity of textures, and the installation is really quite simple. There's a comprehensive guide to the installation process.
Remember to install the DLC first, then the mods! Then install the DLC Patch! Just copy and paste everything under the ME2 folder to your Binaries folder in your Mass Effect 2 copy and overwrite everything already there. For most people, your Mass Effect install is located at C:\Program Files (x86)\Steam\steamapps\common\Mass Effect 2\Binaries.
The DLC Patch also unlocks the DLC and removes the Cerberus Network prompt, but if that doesn't work, try the DLC Unlocker.
DLC:
This list of the DLC installers saved me days of searching, and I should give a huge thank you to u/AreYouDimm for this.

Tweaks

As I previously stated, install the DLC first, ALOT after, and finally the DLC Patch. At this point, you shouldn't have any graphical glitches, including the black pixel glitch.

Lastly, you're going to want to copy and paste most of this to your GamerSettings.ini config file in your Documents\BioWare\Mass Effect 2\BIOGame\Config directory. Beware that under [Engine.ISVHacks], you'll find both UseMinimalNVIDIADriverShaderOptimization=False and DisableATITextureFilterOptimizationChecks=False at the bottom of the page.
If you have an AMD GPU, use DisableATITextureFilterOptimizationChecks=False
If you have an NVIDIA GPU, use UseMinimalNVIDIADriverShaderOptimization=False
DO NOT USE BOTH LINES AT THE SAME TIME.

Optional

Link to the Mass Effect Trilogy Texture Map. This is just nice to have if you ever need it, which you most likely won't.
Link to the Mass Effect binkw32 DLLs for the trilogy if you ever need that.
Link to the Mass Effect Modder, but I have never used it, so I really can't help there.
Link the the Mass Effect 2 Save Editor. which has seriously helped for some aspects of the game.
submitted by ShivaRam123 to masseffect [link] [comments]

FUNHAUS 2017 SUBREDDIT SURVEY RESULTS

FUNHAUS SUBREDDIT SURVEY RESULTS 2017

Spreadsheet: https://docs.google.com/spreadsheets/d/1lvo5RF2I5te6YP97hqNAzKSgwQiXNX3ap20Hf7IqZTg/edit?usp=sharing
Last year 2201 of you filled out the survey, this year the number has more than 2x that amount. Thanks you guys for participating and some of you for sharing (forsakenvow and anyone else). Also thanks for the feedback and guiding me with respect to some of the questions.
The results below could be a good indicator for the sub as a whole, I've outlined the major percentages.

Q1.01: What is your age range?

51.2% are between 20-24 27.0% are between 15-19 16.7% are between 25-29 03.8% are between 30-34 
Not that surprising, since Funhaus has said they skew older. Some groups might be underestimated/overestimated because of a couple of trolls.

Q1.02: Gender

87.7% are Male 9.20% are Female 0.80% are Transgender 0.80% are Non Binary 1.20% are other 
Again, not much of a surprise here. From last year, it seems like a decrease in female percentage (10.3% last year).

Q1.03: Sexuality

83.4% are Straight 10.2% are Bisexual 02.6% are Homosexual 02.3% are Other 01.5% are Queer 
Last year we had 2.1% of respondents being homosexual. Maybe James "Alpha Gay" Willems had an effect on the population. Also there are more people answering as Bisexual than last year.

Q1.04: Country

53.8% are from USA 13.4% are from the UK (Includes made up countries like Scotland and Wales) 06.0% are Australian 08.1% are Canadian (Thank Elyse for the increase) **And we have 2 North Korean fans! That's half as many from last year! Uhoh, what happened to the other 2?** 

Q2.01: Do you mainly watch Funhaus (as opposed to other channels)?

84.7% said Yes 15.3% said No 
Not really indicative of the whole since its only for the Funhaus subreddit. Maybe the other portion of the population watch more of other channels.

Q2.02: When did you start watching?

51.0% started from launch 05.5% started 1 week after launch 11.3% started within a month after launch 18.6% started within a year of the launch 13.6% started a year from launch 
Last year 64.7% watched from launch, there is a possibility that there are a lot of newer fans

Q2.03: Favourite Show?

20.5% said Openhaus 27.6% said Demo Disk 06.9% said Dude Soup 14.4% said Random Gameplay 06.5% said Wheelhaus 04.2% said Twits & Crits 
Not a surprise, this sub loves the openhaus and demo disk. Looks like Dude Soup is losing popularity and from the 2 GTA videos we get on Thursday, 4.8% prefer the Race/death match ones versus the mission ones. Also, I fucked up. I should have included Google Trends, which 40 of you entered (and is probably underestimated because Other isn't always the best option). I'm sorry guys there are a lot of series and I'll have to do better to stay on top of them!

Q2.04: What is your favourite series?

22% liked Hitman 3.9% liked WWE 3.1% liked Golf and Minigolf related videos 2.9% liked Drunk Gameplay (which is a series, I guess?) 2.2% liked FAKK (2.2% also liked FAKK) 1.3% liked Overwatch 1.3% liked Raven's Cry and most of you answered N/A and non FH series (like Chaser) 
Seems like Hitman is a classic. There was a bit of confusion in the answers but I guess I should have specified better.

Q2.05 What is your Favourite RT/AH show FH has been involved in?

22.6% chose ELR 20.8% chose LP Network collaborations 16.4% chose Off Topic 17.0% chose Other (Mostly On The Spot) 
I fucked up here too, should have had On The Spot. Sorry guys. Looks like ELR is the king. I thought it was super fun too.

Q2.06: Where do you mainly watch?

86% on Youtube 14% on RT Site 
Seems like a bit of growth on the RT site side (last year 10% of respondents watched on RT)

Q2.07: Are you a RT First Member?

62.3% say No 32.4% say Yes 05.3% say Yes (On Trial Version) 
Last year 24% were First Members and 2.5% were on a trial version. Thank Twits and Crits and the Post Show!

Q2.08: Do you watch the livestreams?

76.9% say No 23.1% say Yes 
Little bit of an increase from last year. Not much.

Q2.09: Favourite Current Personality

29.6% for Elyse 22.4% for James 19.0% for Adam 13.7% for Bruce 9.5% for Lawrence 
Elyse usurped James as the most popular current member. Of course, Benson would be number one so the question actually asked who the 2nd favourite was but I didn't type that in. Oops.

Q2.10: Favourite of all past/present members (Some people might have used to pick 2nd fav)

22.2% for James 21.5% for Elyse 18.0% for Adam 11.5% for Bruce 10.6% for Joel 
The numbers got weird here, I guess some people used this to pick their 2nd fav like they did last year. Also, Elyse lost her lead because I guess between the two, a lot of her votes went to the more feminine one (kidding! love you Joel). Pretty much a decrease in everyone due to nostalgia. Seems like people also missed Joel more than Spoole (4.6%).

Q2.11: Which Editor's do you want to see more of in productions?

#1 Peake #2 Don #3 Jacob 
The rest of the editors: Omar, Bones, Jon, and Dan all had about 1/3 of respondents wish to see more of them. I allowed more than one selection, but I wonder what would happen if people had to choose.

Q2.12: What Social Media Platform do you use to follow FH?

Nothing too surprising. most of you follow their personal channels, Reddit accounts, Twitter and then the other stuff like Instagram, snapchat, etc. 
This might have been a useless question as well.

Q2.13: Who would you watch if they (or were to) stream?:

Nothing too surprising. The Willems, Kovic, Bruce, and Lawrence have a big following. 
It seems like most of you would like to watch Elyse and Matt Peake each do a solo stream. People also would love if Don streamed.

Q2.14: Were you a fan of IG?

46.9% say Yes 28.8% say they watched some, not a regular fan 24.3% say No 
Last year over 50% were IG fans, seems like it could be new fans (I erroneously said that old fans were leaving)

Q2.15: Do you watch other RT productions?

49.7% say Yes (Some) 28.6% say Yes (Most) 17.3% say No 4.4% sat Yes (All) 
Seems like there was an increase in RT views, but I feel like the question might be a bit silly now considering the increased amount of content RT puts out.

Q2.16: What other RT related channels do you watch?

77.0% watch Main Channel (RT) 64.6% watch LP 64.5% watch AH 56.3% watch Slow Mo Guys 30.9% watch The Know 22.7% watch RvB 04.8% watch Screw Attack 00.9% watch Game Kids 
Seems like RT viewership has gone up, Know Watchers are half what they used to be (understandable) and AH/LP watchers have decreased (also understandable).

Q2.17: What LP Network Channels do you watch?

79.4% watch Cow Chop 17.4% watch Kinda Funny 17.1% watch Game Attack 06.6% watch The Creatures 
Seems like a Cow Chop collaboration could be good for the channel. The humour is a bit different so it'd be interesting to see.

Q2.18: Who would you like to see Funhaus collab with?

17.5% ask for more Cow Chop (On Amazon show or Google Trends/Demo Disk) 06.0% ask for more Suptic 05.0% ask for more Rahul Kohli 03.7% ask for more Game Grumps (Demo Disk or Google Trends) 02.6% ask for more AH 02.0% ask for H3H3 
Other frequent names are Cr1tikal, Dunkey, Obama, Joel, Kinda Funny, Mega64, Sark. It got a bit tough when people put in multiple names, but it seems like Cow Chop, Suptic, and Kohli are the most popular.

Q3.01: Do you play video games?

97.1% say Yes 02.9% say No 

Q3.02: How many hours/week do you game?

22.5% say 6-10 17.5% say 0-5 18.6% say 11-15 14.6% say 16-20 09.0% say 21-25 

Q3.03: What platforms do you game on

78.5% play on PC 37.3% play on PS4 30.2% play on Xbox One 20.5% play on NDS/3DS 13.0% play on Xbox 360 10.3% play on Switch 09.6% play on PS3 08.0% play on Wii U 05.1% play on Other 04.4% play on Wii 
I might just get rid of this section, or at least the last question where I ask what people own. I don't know if its useful information.

Suggested improvements for 2018.

Please let me know of any and I will use them for next year if I choose to hold the survey again. 

THANK YOU ALL FOR PARTICIPATING

Xsylvr
submitted by imjustheretosaystuff to funhaus [link] [comments]

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