What would happen if a voltage was applied to a superconductor in a ring shape and then have the voltage source removed? Would the electrons continue to flow forever in a loop? |
- What would happen if a voltage was applied to a superconductor in a ring shape and then have the voltage source removed? Would the electrons continue to flow forever in a loop?
- About 410-290 million years ago the earth's atmosphere was 35% oxygen. If modern man existed in this era could our lungs breathe in this air?
- Ask Anything Wednesday - Engineering, Mathematics, Computer Science
- What is it about sleep that lets addicts not have to wake up to feed their habits? (I.E. Smoking, drinking, drugs, etc.)
- Can organ recipients donate organs?
- Why, exactly, is exercise good for us?
- What happens with the spit that we swallow?
- How is the rapid vanishing of languages across the globe affecting the field of linguistics?
- Why don’t open wounds near your anus or rectum (hemorrhoids, anal fissures, etc.) get infected by all the fecal matter present around them?
- If gravity is caused by a curvature in space time, what is the idea behind the graviton?
- Can the ambient air temperature ever be lower than the dew point?
- What's the oldest known plant or animal species that still lives today on Earth?
- Are there illusions for touch the same way there are for other sight and hearing?
- Why does bread get stale?
- Why antibiotics doesn't work on viruses?
- When did scientist prove the Earth is round? and how?
- Why do superpartners tend to have less spin than their non-supersymmetric counterparts?
- What if a tornado hit a nuclear power plant?
- Does the level of the sea contribute to precipitation?
- Why does the TV remote control still work even if you don't point at the TV with it (at least at the newer TV's) ?
- What happens if you send DC into a computer power supply or a wall adapter?
| Posted: 14 Feb 2018 03:14 AM PST Based on the limited knowledge and understanding I have, it would seem that an electrical current would be able to flow indefinitely due to the lack of resistance, is this the case? If not, how could this theoretically be done? [link] [comments]  |
| Posted: 13 Feb 2018 05:25 PM PST |
| Ask Anything Wednesday - Engineering, Mathematics, Computer Science Posted: 14 Feb 2018 07:07 AM PST Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Engineering, Mathematics, Computer Science 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]  |
| Posted: 14 Feb 2018 12:24 AM PST |
| Can organ recipients donate organs? Posted: 13 Feb 2018 08:02 PM PST If a recipient chooses to become a donor, can the organs they received be reused when they die? Edit: If organs can be donated on, how long can it be donated. Is there a specific time after which the organ will fail? [link] [comments]  |
| Why, exactly, is exercise good for us? Posted: 13 Feb 2018 08:32 PM PST |
| What happens with the spit that we swallow? Posted: 14 Feb 2018 05:54 AM PST |
| How is the rapid vanishing of languages across the globe affecting the field of linguistics? Posted: 13 Feb 2018 06:33 PM PST |
| Posted: 13 Feb 2018 01:14 PM PST |
| If gravity is caused by a curvature in space time, what is the idea behind the graviton? Posted: 13 Feb 2018 08:48 PM PST I'm very, very layman, and just starting to try to understand some of the theoretical physics developed over the last century. One of my main points of confusion is in fields and how their excitations are particles and the exchange of particles manifest the fields' forces...and that gravity is unique(?) among the forces - we haven't confirmed the existence of the graviton, I don't think. But if gravity is caused by curvatures in space-time, where exactly does the graviton fit in? Is gravity actually a field w/excitations? I'm a bit confused. [link] [comments]  |
| Can the ambient air temperature ever be lower than the dew point? Posted: 13 Feb 2018 07:39 PM PST Is it possible for the temperature to drop so rapidly that the moisture content doesn't have time to manifest in liquid form on the necessary nucleation points, resulting in a temporarily super-saturated volume? [link] [comments]  |
| What's the oldest known plant or animal species that still lives today on Earth? Posted: 13 Feb 2018 05:58 PM PST In other words, from only what we know, when was the last time that there were no plants or animals that exist today? I just can't wrap my head around the fact that this very earth that we walk on once looked completely different, and was home to millions of species that we wouldn't recognize. Always fascinated me. [link] [comments]  |
| Are there illusions for touch the same way there are for other sight and hearing? Posted: 13 Feb 2018 08:10 PM PST For instance, are there any textures that our brains have a hard time processing or understanding? [link] [comments]  |
| Posted: 13 Feb 2018 08:12 PM PST |
| Why antibiotics doesn't work on viruses? Posted: 14 Feb 2018 04:24 AM PST |
| When did scientist prove the Earth is round? and how? Posted: 14 Feb 2018 12:30 AM PST |
| Why do superpartners tend to have less spin than their non-supersymmetric counterparts? Posted: 13 Feb 2018 09:10 PM PST Almost everytime I look at the spin of a superpartner its spin is less than its counter part by 1/2, the only exceptions being particles which are superpartners to scalar bosons, like Higginos and axinos. This makes sense since spin is an absolute value, a negative spin particle is indistinguishable from a positive spin particle spinning in the opposite direction. The fact that it always changes by 1/2 doesn't confuse me either, I understand that it's one of the fundamental properties of supersymmetry transformations. I also get why the spin of the gravitino goes down, the graviton has a spin of 2 so it can either be spin 3/2 or 5/2 and fundamental particles of different spins couple to different type of fields and particles with spin higher than 2 couple with fields that break physics so a spin 5/2 gravitino would either try to couple with a field that doesn't exist or bring a spin 5/2 field into existence and make physics mathematically inconsistent. Since both are impossible that means the gravitino has to be spin 3/2. What I don't understand is why every other supersymmetric transformation always reduces spin. I can understand a 50/50 split of increase and decrease but spin never goes up only down. Why can't photinos zinos winos and gluinos be spin 3/2 instead of 1/2? Why can't squarks and sleptons be spin 1 instead of 0? It doesn't seem like one giant coincidence, even the superpartners of completely hypothetical particles have their spin lowered. Is lower spin energetically favored? Is spin reduction just a fundamental part of supersymmetric transformation in the same way spin always changing by 1/2 is? If so is there anything stopping me from constructing a model of physics where superpartners mass less than their non-supersymmetric versions and everything in the universe is in fact made of supersymmetric particles, leptons and quarks being fermionic superpartners of undiscovered massive spin 1 bosons? Is spin allowed to increase in extended supersymmetry where there is more than one level of superpartner? [link] [comments]  |
| What if a tornado hit a nuclear power plant? Posted: 13 Feb 2018 05:09 PM PST Are plants designed with this possibility in mind? Would it be possible for a sufficiently powerful tornado to physically rip apart a reactor and expose the nuclear fuel? [link] [comments]  |
| Does the level of the sea contribute to precipitation? Posted: 13 Feb 2018 10:51 PM PST I'm wondering if the positive feedback loop might create more rain. Rising ocean levels due to melting Ice, may water and create mor surface area. The carbon released into the atmosphere was increasing temperature. This would increase the rate of evaporation causing more rain to fall. [link] [comments]  |
| Posted: 13 Feb 2018 10:50 PM PST |
| What happens if you send DC into a computer power supply or a wall adapter? Posted: 13 Feb 2018 06:41 PM PST My guess is that the device would run just fine, and the AC adapter would actually be more energy efficient and produce less heat, since it wouldn't have to work to "smooth out" the waves of AC; it would just send the "line" of DC straight through. Am I right, am I kinda wrong, or am I laughably wrong? Any answers are much appreciated! [link] [comments]  |
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