How can animals emerge from months long hibernation and run about without any signs of muscle degeneration? |
- How can animals emerge from months long hibernation and run about without any signs of muscle degeneration?
- Are household appliances perfectly efficient in winter (because all waste heat just heats the house anyway)?
- Why do some animals lay brightly-colored eggs?
- Why is the light given off by nuclear reactors blue?
- Does gravity drive the decrease in entropy in macroscopic scales, breaking The third law of thermodynamics?
- How do species of fish, such as the Angler Fish live at such deep depths, why do they not succumb to water pressure?
- Is it possible to build an air conditioner that stores the heat instead of simply moving it somewhere else?
- Why is the ipso carbon shielded in bromobenzene?
- How does blindness affect body language?
- What is a prism and how is it different from regular glass?
- Will UK, American and Australian English eventually diverge into different languages? If so, how long will it take?
- If all mass bends space-time, even if it is just a little, then why are objects of different mass around us not "falling" into one another?
- What is happening when food becomes freezer burned?
- How do manufacturers of voltmeters achieve (ideally) infinite resistance?
- When discharging an inductor, does it also create another opposing voltage?
- Does atmospheric pressure affect your vision?
- If you stood on a train traveling just under the speed of sound and threw an object forwards, would it produce a sonic boom?
- Can there be something faster than the speed of light?
- If a fish's gills can extract oxygen from water, why can they not extract oxygen from the air?
- [Physics] Why do I feel warm when I rub my feet on the carpet?
- What is the smallest thing we've observed outside of our solar system?
| Posted: 30 Apr 2017 10:04 AM PDT |
| Posted: 30 Apr 2017 07:41 PM PDT |
| Why do some animals lay brightly-colored eggs? Posted: 30 Apr 2017 06:10 PM PDT This thread confused me. Wouldn't brightly-colored eggs be easier for predators to see? I understand that evolution doesn't act with intention, but I'd think those animals with more naturally-camouflaged eggs would find theirs eaten less often. [link] [comments]  |
| Why is the light given off by nuclear reactors blue? Posted: 30 Apr 2017 10:16 AM PDT |
| Posted: 30 Apr 2017 11:00 PM PDT |
| Posted: 30 Apr 2017 05:48 PM PDT |
| Posted: 30 Apr 2017 07:07 PM PDT I'm wondering if this device is at least theoretically possible, or if it even already exists. The general idea is that you could put this device in the center of a room and it would cool the air while somehow storing the heat inside. I'm assuming that it would need to be powered outside of just the energy in the room, but I wasn't sure if the thermodynamics would work out even at maximum efficiency. What do you guys think? Or, Where better could I ask this question if you guys aren't the right place? [link] [comments]  |
| Why is the ipso carbon shielded in bromobenzene? Posted: 30 Apr 2017 12:50 PM PDT Why is that the ipso carbon is the most shielded, or upfield, of all the carbon atoms in bromobenzene? Given its proximity to an electron-withdrawing substituent like bromine, wouldn't it be deshielded? [link] [comments]  |
| How does blindness affect body language? Posted: 30 Apr 2017 03:03 PM PDT Obviously, body language is not perceived by blind people, but what are the differences in the body language exhibited by them and visually unimpaired people? [link] [comments]  |
| What is a prism and how is it different from regular glass? Posted: 01 May 2017 02:33 AM PDT I've been looking for this answer for a long time but I can't find an answer. I usually see something like "It's a special type of glass" which is utterly unhelpful. Is it the shape? The chemical composition? [link] [comments]  |
| Posted: 30 Apr 2017 03:52 PM PDT When I hear old radio or TV broadcasts of American English or Australian English, it seems to me to be much more British sounding than today. Part of that could be that broadcasters use a sort of sanitized version of the language so that everyone can understand. But still, I think there has been a noticeable shift in just the last 50-100 years towards diverging. It's happened in the past with languages like Spanish, Portuguese and Italian, or Dutch and Afrikaans, and many Arabic and Chinese languages. And surely dozens or hundreds more languages I can't think of. The obvious point now is that we are a globalized society largely thanks to the internet. So that will likely slow (or completely halt?) the evolution of the different English dialects, and we don't really have a historical precedent to know how that will affect language evolution. Any linguistics experts here to chime in? [link] [comments]  |
| Posted: 01 May 2017 05:18 AM PDT |
| What is happening when food becomes freezer burned? Posted: 30 Apr 2017 02:37 PM PDT |
| How do manufacturers of voltmeters achieve (ideally) infinite resistance? Posted: 30 Apr 2017 08:37 PM PDT I understand why this is done -- so that the voltage being measured isn't affected by the voltmeter itself, but I'm curious as to how exactly one can achieve close to infinite resistance. Studying for my Physics 1 AP this week, and figured I would ask this question because I thought the idea of "infinite resistance" or close to infinite was really interesting and if anyone knows how this is accomplished, it would be awesome to know. thanks! [link] [comments]  |
| When discharging an inductor, does it also create another opposing voltage? Posted: 30 Apr 2017 11:46 PM PDT Upon charging an inductor, it creates an opposing voltage that decreases in time until it no longer produces an opposing voltage. When discharging an inductor, since the current is decreasing with time, does it also create ANOTHER voltage opposing that decreasing current? [link] [comments]  |
| Does atmospheric pressure affect your vision? Posted: 30 Apr 2017 09:52 AM PDT I have astigmatism, and I've noticed that when I'm at lower altitude my eyes get tired less frequently. I've also noticed on days when there is high pressure outside, my eyes get less tired. [link] [comments]  |
| Posted: 30 Apr 2017 05:58 PM PDT |
| Can there be something faster than the speed of light? Posted: 30 Apr 2017 05:21 PM PDT |
| If a fish's gills can extract oxygen from water, why can they not extract oxygen from the air? Posted: 30 Apr 2017 09:30 AM PDT |
| [Physics] Why do I feel warm when I rub my feet on the carpet? Posted: 30 Apr 2017 07:37 PM PDT |
| What is the smallest thing we've observed outside of our solar system? Posted: 30 Apr 2017 01:34 PM PDT I hear all the time about stars thousands of times larger than the sun, of black holes the sizes of galaxies, etc... But what's the smallest thing we have detected from far away? [link] [comments]  |
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