How Precisely Are Satellites put into orbit? Is it to the meter? |
- How Precisely Are Satellites put into orbit? Is it to the meter?
- AskScience AMA Series: We're a climate scientist and filmmaker with Vox exploring the melting Arctic and the impact it's having on global weather. AUA!
- Are there advantages to rockets being aerodynamically shaped once they have left the atmosphere?
- How much of a threat is space debris?
- Being that graphene can theoretically occur naturally, would it be considered a mineral?
- How could hadrons containing top quark be produced?
- Why do so many people suffering sleep paralysis experience a threatening creature or presence?
- Why do we get vitamin D from the sun? Could we make a light that gives off vitamin D?
- Why can't prosthetic fingers just "tie" to the muscle?
- How did we figure out the shape of proteins and other organic compounds?
- Which region of the United States has the lowest probability of both meteorological and geological natural disasters occurring?
- Why does the ANS have a two-neuron pathway versus the single neuron pathway involved in the Somatic Nervous System?
- Why is it when a glass of waters sits out for a long period of time bubbles start to form?
- Do lights produce thrust?
- Why are there weight limits on roads?
- Is it possible to efficiently divide our attention in two?
- [Chemistry] What is the reaction happening in my US MRE heater bags? What gas is being produced?
- Where do permanent magnets get their energy from?
- How do we know that polar bears can smell prey from 32km away?
| How Precisely Are Satellites put into orbit? Is it to the meter? Posted: 01 May 2018 02:38 AM PDT |
| Posted: 01 May 2018 04:00 AM PDT Hi /r/AskScience! I'm Jennifer Francis, a research professor at Rutgers University. I study the Arctic - how and why it's changing so fast, and how rapid Arctic warming and ice loss will likely cause more frequent extreme weather events in mid-latitudes where most of us live. Think strings of bomb cyclones, drought, heat waves, and even long cold spells. And I'm Eli Kintisch, host/writer of Vox's THAW video series which explores the melting arctic in a series of three mini-docs. I got the chance to travel north in the middle of the Polar night on board a research vessel to share this story firsthand. We'll be on at 3 PM ET (19 UT), ask us anything! Thanks to Vox and the /r/AskScience mods for setting this up. We'll be answering questions from the /u/vox account but signing off individually on each reply. [link] [comments]  |
| Are there advantages to rockets being aerodynamically shaped once they have left the atmosphere? Posted: 01 May 2018 02:26 AM PDT |
| How much of a threat is space debris? Posted: 01 May 2018 06:54 AM PDT We keep seeing reports of how space debris is increasing continuously and yet we see new satellites being shot up daily. So is space debris that much of a threat or is it grossly overstated by the media? And if it is what can we do about it? [link] [comments]  |
| Being that graphene can theoretically occur naturally, would it be considered a mineral? Posted: 01 May 2018 07:05 AM PDT Could graphene be considered a mineral? The reason I ask is because, since graphene is harder than diamond, the Mohs Hardness Scale would have to somehow factor in graphene. Could this possibly lead to adding an 11th hardness point Why, or why not? [link] [comments]  |
| How could hadrons containing top quark be produced? Posted: 01 May 2018 06:34 AM PDT I know that top quarks cannot produce hadrons because of their incredibly short lifetime. Disregarding that; how can top quark conceivably produce hadrons, even if in bizarre conditions? [link] [comments]  |
| Why do so many people suffering sleep paralysis experience a threatening creature or presence? Posted: 01 May 2018 12:55 AM PDT I've noticed that most people who experience sleep paralysis describe something that could be construed as being scared of some kind of presence in their room, be it aliens, demons, succubi, ghosts and similar. What part of the human brain makes us hallucinate this, why is it activated as we go to sleep and why does the presence almost universally seem threatening or scary? It's so common that I assume there must be some part of the brain that specifically produces this experience. For bonus points, could this part of the brain also be responsible for religious experiences, i.e. something similarly supernatural but benign rather than threatening? [link] [comments]  |
| Why do we get vitamin D from the sun? Could we make a light that gives off vitamin D? Posted: 01 May 2018 05:25 AM PDT |
| Why can't prosthetic fingers just "tie" to the muscle? Posted: 30 Apr 2018 07:18 PM PDT From what I understand, the finger is essentially just a string pulled by the muscles in your arms. If you lost half a finger, why can't a prosthetic just have a replacement string stuck onto the remaining half of the string? You wouldn't have feeling in the finger, but it should function the same as the original. [link] [comments]  |
| How did we figure out the shape of proteins and other organic compounds? Posted: 30 Apr 2018 07:23 PM PDT How did scientists discover the true and exact shape of such tiny patterns? The structures of some biomolecules seem to be perfectly 3D scanned shapes [link] [comments]  |
| Posted: 30 Apr 2018 08:42 PM PDT Essentially, what region of the United States is evidently the safest place to live if you wished to avoid being hit with all the natural disasters possible in North America (including, but not limited to, volcanic, hurricane, tornado, earthquake, flooding, fires, etc...)? Obviously, nowhere is 100% completely safe and there are many other factors that can come into play in deciding this. But looking past the possible outside factors, which livable region has the lowest probability for disaster? [link] [comments]  |
| Posted: 30 Apr 2018 10:00 PM PDT Are there advantages (or drawbacks) of using two neurons? Evolutionarily speaking, where did this difference arise? Also: Is there a functional difference in the preganglionic neuron being myelinated in the sympathetic system versus the ganaglionic neuron being myelinated in the parasympathetic system? [link] [comments]  |
| Why is it when a glass of waters sits out for a long period of time bubbles start to form? Posted: 30 Apr 2018 01:36 PM PDT |
| Posted: 30 Apr 2018 09:04 AM PDT I'm at my desk pretending my flashlight is a rocket. Does it actually produce any (super tiny) thrust if I left it going from the photons it emits? Bonus question: if the answer is yes, how big of a flashlight would I need to leave earth? [link] [comments]  |
| Why are there weight limits on roads? Posted: 30 Apr 2018 03:57 PM PDT |
| Is it possible to efficiently divide our attention in two? Posted: 30 Apr 2018 10:11 AM PDT Is it possible to think at two different things at the same time while still being efficient in what we are doing? By that I mean thinking about two complex notion like doing an algebra problem whike writing a dissertation. Would it be possible to train our brain in doing two different things at one? [link] [comments]  |
| [Chemistry] What is the reaction happening in my US MRE heater bags? What gas is being produced? Posted: 30 Apr 2018 11:04 AM PDT I occasionally use US MRE when I am out on a hike or for a long day of fishing and I was wondering what was going on in there? [link] [comments]  |
| Where do permanent magnets get their energy from? Posted: 30 Apr 2018 11:14 AM PDT When a permanent magnet gets close to magnetic materials like iron, it attracts that material. To move matter you need to turn some form of energy into kinetic energy, following the law of conservation of energy. Where does that energy come from in the case of permanent magnets? Do they get weaker over time? [link] [comments]  |
| How do we know that polar bears can smell prey from 32km away? Posted: 30 Apr 2018 11:27 AM PDT Do the put food 32km away (and clear everything beyond that radius) to see if the polar bear can smell it? [link] [comments]  |
| You are subscribed to email updates from AskScience: Got Questions? Get Answers.. To stop receiving these emails, you may unsubscribe now. | Email delivery powered by Google |
| Google, 1600 Amphitheatre Parkway, Mountain View, CA 94043, United States | |
No comments:
Post a Comment