- If someone was to cover their eyes for a year straight without seeing any light, would it just be really bright when they take it off then slowly adjust back to normal or would it have a permanent affect on the persons vision?
- Could a generated magnetic field protect a spacecraft and astronauts from charged particles and em radiation?
- What is happening at the quantum level during the formation of a Neutron Star? Specifically how does a Proton and an Electron combine to form a Neutron? I would have thought that a Neutron would have a different mass (energy?) than a Proton + Electron?
- People always say that subatomic particles are just excitations of a field. But won't those excitations eventually lose their energy and disappear?
- Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology
- Do we know why the speed of light is what it is, or just that it must be what it is?
- What determines how electrons return to the ground state after they are excited?
- What is the point of building a particle accelerator?
- Does cold water extinguish fire more effectively than hot water?
- What makes Cancer so difficult to find a cure for? How far have we gotten and how far have we yet to go to find one?
- Why is the Higgs needed for atoms and stars to exist?
- How does a strep test work? And how can it be accurate in such a short amount of time?
- Were the Pyrenees Mountains in Iberia formed by shallow-angle subduction of the European plate?
- What happens if you take a deciduous tree before autumn from the northern hemisphere to the southern hemisphere?
- Is there a chemical with a triple point at room temperature and 1 atm? If so, what is it? If not, why doesn't it exist?
- What happens if an object falls in a homogeneous gravity field with the center of gravity infinitely far away? Does it stop accelerating, or does the velocity increase past c?
- Why does my nose get runny when exposed to cold weather?
- How is body heat generated?
- What determines whether an element is a gas, regardless of atomic weight?
| Posted: 07 Nov 2017 10:49 AM PST Edit: Well I'm pretty satisfied with all the answers as they seem to come to similar conclusions. Thanks! [link] [comments]  |
| Posted: 08 Nov 2017 04:42 AM PST From my understanding, solar wind and cosmic rays are bombarding Earth constantly and are being deflected in part by the atmosphere and partially by Earth's magnetic field. Can this sort of shielding be replicated and how much energy would be required to produce a magnetic field capable of radiation shielding. [link] [comments]  |
| Posted: 08 Nov 2017 05:23 AM PST |
| Posted: 08 Nov 2017 12:29 AM PST I understand that people think that all our subatomic particles come from fields such as the electron field. They also say they are just excitations of the field but wouldn't that mean that after a period of time they lose their energy and fade back into their field? If so then how come we have never seen something like this happen? Also about the fields in general, where are the fields? How have we postulated that they are there? Are they higher dimensions? When were they created? Where do they get their energy to get excited and create these particles? Sorry about all the questions! Thanks so much in advance for the answers you may have :) [link] [comments]  |
| Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology Posted: 08 Nov 2017 07:06 AM PST Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Economics, Political Science, Linguistics, Anthropology Do you have a question within these topics you weren't sure was worth submitting? Is something a bit too speculative for a typical /r/AskScience post? No question is too big or small for AAW. In this thread you can ask any science-related question! Things like: "What would happen if...", "How will the future...", "If all the rules for 'X' were different...", "Why does my...". Asking Questions: Please post your question as a top-level response to this, and our team of panellists will be here to answer and discuss your questions. The other topic areas will appear in future Ask Anything Wednesdays, so if you have other questions not covered by this weeks theme please either hold on to it until those topics come around, or go and post over in our sister subreddit /r/AskScienceDiscussion , where every day is Ask Anything Wednesday! Off-theme questions in this post will be removed to try and keep the thread a manageable size for both our readers and panellists. Answering Questions: Please only answer a posted question if you are an expert in the field. The full guidelines for posting responses in AskScience can be found here. In short, this is a moderated subreddit, and responses which do not meet our quality guidelines will be removed. Remember, peer reviewed sources are always appreciated, and anecdotes are absolutely not appropriate. In general if your answer begins with 'I think', or 'I've heard', then it's not suitable for /r/AskScience. If you would like to become a member of the AskScience panel, please refer to the information provided here. Past AskAnythingWednesday posts can be found here. Ask away! [link] [comments]  |
| Do we know why the speed of light is what it is, or just that it must be what it is? Posted: 07 Nov 2017 04:18 PM PST I spent the day trying to find a nice answer to the why, which lead me on a nice journey into zero-point energy and the possibility that quantum vacuum might be the origin of the speed of light, but didn't really get a nice answer. [link] [comments]  |
| What determines how electrons return to the ground state after they are excited? Posted: 07 Nov 2017 06:15 PM PST If all excited electrons must return to the ground state, then what determines if they do this in one continuous drop or several discrete ones? Using hydrogen at as the example, what determines whether an electron at, say, n=6 returns to n=1 as part of the Lyman series, or to n=2, exiting visible light, and then separately n=1, releasing ultraviolet light. [link] [comments]  |
| What is the point of building a particle accelerator? Posted: 08 Nov 2017 04:38 AM PST |
| Does cold water extinguish fire more effectively than hot water? Posted: 07 Nov 2017 12:54 PM PST |
| Posted: 07 Nov 2017 01:31 PM PST In the spirit of No-Shave-November, I want to become more aware of the science behind why cancer is so difficult to find a solution for and where we have gotten in the past few years. Each day, 22,000 people die from cancer worldwide and I think its absolutely terrible and hope we get a cure soon. [link] [comments]  |
| Why is the Higgs needed for atoms and stars to exist? Posted: 07 Nov 2017 11:56 AM PST I read "This symmetry breaking is required for atoms and other structures to form, as well as for nuclear reactions in stars, such as our Sun." on the Higgs wiki page. From what I understand the Higgs is the reason that Electromagnetism and the Weak force are two separate forces rather than one Electroweak force. And atoms can't form and combine together into stars while the Electroweak force is around. What about the Electroweak force is stopping atoms? I can't really find any details on what the Electroweak force is like. All I can find is that it has 4 version of the photon called W+, W0, W-, & B. Since they're all massless is the Electroweak force just like Electromagnetism? I also found this hypothetical, that says atoms and star could still exist if there was no Weak force. So is the Higgs like a necessary shackle on the Weak that allows us to exist? [link] [comments]  |
| How does a strep test work? And how can it be accurate in such a short amount of time? Posted: 07 Nov 2017 10:51 AM PST |
| Were the Pyrenees Mountains in Iberia formed by shallow-angle subduction of the European plate? Posted: 07 Nov 2017 11:18 AM PST I learned that the Rocky Mountains in the United States were formed during the Laramide Orogeny when the Kula Plate was subducted at a shallow angle under the North American plate. Could the same phenomenon (shallow-angle subduction) have resulted in the formation of the Pyrenees? [link] [comments]  |
| Posted: 07 Nov 2017 10:31 AM PST |
| Posted: 07 Nov 2017 07:43 AM PST |
| Posted: 07 Nov 2017 08:00 AM PST |
| Why does my nose get runny when exposed to cold weather? Posted: 07 Nov 2017 08:32 AM PST |
| Posted: 07 Nov 2017 10:13 AM PST Does an appendage like a foot or something like the brain produce any body heat or is it all transferred by blood circulation? [link] [comments]  |
| What determines whether an element is a gas, regardless of atomic weight? Posted: 07 Nov 2017 08:27 AM PST Lithium, Beryllium, Carbon, and Boron are all solid (under 'normal' conditions), and yet Nitrogen, Oxygen, and Fluorine, as well as all subsequent noble gasses, are gasses, despite having a heavier atomic weight. What about them makes them gasses under average conditions? [link] [comments]  |
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