If you were to fall down a skyscraper's elevator shaft, would the Coriolis effect cause you to hit the sides? |
- If you were to fall down a skyscraper's elevator shaft, would the Coriolis effect cause you to hit the sides?
- question on the movie interstellar (which I am told is fairly scientifically accurate), if time on the water planet moves so slowly, what would someone on the shuttle observe with a really good telescope?
- Why does the pattern of color change seen in Releigh and Tynal scattering reverse in deep water?
- What is it about silver (Ag) that gives it antimicrobial properties?
- How does a vacuum pump operating in the ISS airlock work?
- [Astrophysics]Whats the limit a photon can be redshifted? What are a wavelengths theoritical maximum amplitude and period?
- Why do most dogs, despite constantly licking everything and eating weird stuff they find, rarely get sick?
- Under the same temperature, will brownian movements take a random particle further away from its starting point in low pressure/high volume or the opposite conditions (or neither...)?
- I read that Iceland has glaciers that cover volcanoes, how do these glaciers not melt or the lava not cool down or freeze?
- Do gravitational waves create their own gravitational waves?
- Why is sound-proofing so much harder than light-proofing? Both are waves, right? KINDA?
- Why does high tide happen twice a day?
- For birds that fly in a classic V formation, are there birds that always fly on the left arm and others that only fly on the right arm?
- How can we accurately determine the size and distance of stars?
- Do insects get cancer?
- Are insulation and conduction of heat dependant on the specific heat capacity of an object?
- Does an Electro-static discharge produce a magnetic field?
- When animals hibernate is it possible for some of them to have trouble falling asleep?
- When did people realize that there is no oxygen in space?
| Posted: 31 Oct 2018 03:59 PM PDT |
| Posted: 01 Nov 2018 07:59 AM PDT So if I recall, massive gravitational forces slow time, and in the movie, they depicted 1 astronaut remaining on a ship out of range, but within view (perhaps with a super large telescope) So theoretically, if this is remotely scientificly accurate, what would the person on the space shuttle see when they looked down at the planet? would they see a person moving at super slow speeds? [link] [comments]  |
| Why does the pattern of color change seen in Releigh and Tynal scattering reverse in deep water? Posted: 01 Nov 2018 04:08 AM PDT I understand that blue gets scattered more when the particles are smaller than the size of the wavelength of light, but I'm struggling to understand why (I'm guessing absorption) takes over in liquid water and this pattern is effectively reversed - especially so dramatically. [link] [comments]  |
| What is it about silver (Ag) that gives it antimicrobial properties? Posted: 31 Oct 2018 10:35 PM PDT I've been reading that it has something to do with the ions, but I'm finding it hard to find a straight answer. [link] [comments]  |
| How does a vacuum pump operating in the ISS airlock work? Posted: 31 Oct 2018 07:47 PM PDT I'm aware there is a vacuum pump that takes the air out of the airlock once the astronaut is inside to reduce air pressure to 0kPa. What kind of vacuum pump is it and how does it work? [link] [comments]  |
| Posted: 31 Oct 2018 09:50 PM PDT Can it be red shifted out of existence? Can a wavelength have a period greater than the observable universe? I have so many questions lol. Thank you for taking the time to read, and especially if you take the time to formulate an answer! [link] [comments]  |
| Posted: 31 Oct 2018 02:28 PM PDT I'm pretty sure if a human went around licking everything they would end up catching something fairly quick... [link] [comments]  |
| Posted: 01 Nov 2018 08:00 AM PDT So here's the situation: two balloons, same amount of the same gas, in perfect-gas-conditions. One balloon is under significant more atmospheric pressure than the other, but with the same room temperature. If we tracked a given particle inside each of the balloons, would it cover significantly less space in one case than in the other? Or would pressure difference compensate difference in volume (available space)? [link] [comments]  |
| Posted: 31 Oct 2018 02:56 PM PDT |
| Do gravitational waves create their own gravitational waves? Posted: 31 Oct 2018 05:21 PM PDT Hi r/askscience. I was thinking about how gravitational waves are ripples of energy propagating through spacetime. Does this mean that the gravitational waves emit gravitational waves of their own? If so, do those gravitational waves emit gravitational waves? Does this cycle ever end? Additionally, is there ever a case where a gravitational wave could get captured by it's original source? Say two supermassive black holes were orbiting each other and they emit gravitational waves. Could the gravity from the supermassive black holes ever be large enough to "recapture" the energy they just lost? Or would it not be possible because the "escape velocity" of the gravitational wave is technically the speed of light. Sorry for a bunch of questions all rolled into one, but this has really got me thinking! Any information, technical or not, would be helpful! Thanks for your time. [link] [comments]  |
| Why is sound-proofing so much harder than light-proofing? Both are waves, right? KINDA? Posted: 31 Oct 2018 07:52 PM PDT Like why isn't there a paint that does to sound what vantablack does to light? Why can a sheet of tinfoil block basically all light but there isn't a material that does the same thing to sound? Is sound just higher energy than visible light and I am comparing sound waves to the wrong types of EM radiation? [link] [comments]  |
| Why does high tide happen twice a day? Posted: 31 Oct 2018 04:33 PM PDT I know high tide on the side of the Earth closest to the Moon is caused by the Moon's gravitational pull, but why does this happen on the other side aswell? This is the one aspect of tides I have failed to understand. [link] [comments]  |
| Posted: 31 Oct 2018 03:39 PM PDT I'm assuming the birds, except the first, use their immediate neighbor to the front as reference, and I was wondering whether there is a type of "handedness" in birds where some like to have their neighbor in their right field vision (or others the left). [link] [comments]  |
| How can we accurately determine the size and distance of stars? Posted: 31 Oct 2018 02:43 PM PDT From our perspective, our sun is approximately the same size as our moon. Yet we know they are very different in size. How are we able to accurately determine, not just the size of a star, but how far away it is as well? Just a question that stems from curiosity. [link] [comments]  |
| Posted: 31 Oct 2018 10:57 AM PDT |
| Are insulation and conduction of heat dependant on the specific heat capacity of an object? Posted: 31 Oct 2018 06:20 AM PDT If so, then won't the equation Q = m.c.d (where m is the mass, c is the specific heat capacity, d is the change in temperature and q is the energy required or released) be incorrect as the change in temperature also depends on whether the object's insulation/conduction coefficient (If that is a thing). Please explain why the equation is correct or not and also shed some light on insulation and conduction [link] [comments]  |
| Does an Electro-static discharge produce a magnetic field? Posted: 31 Oct 2018 01:06 PM PDT If so, how strong of a field? Would this be enough to disrupt un-shielded cables/electronics? [link] [comments]  |
| When animals hibernate is it possible for some of them to have trouble falling asleep? Posted: 31 Oct 2018 04:02 PM PDT |
| When did people realize that there is no oxygen in space? Posted: 31 Oct 2018 10:15 AM PDT |
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