Why didn't the leak in the ISS vent all the air immediately? |
- Why didn't the leak in the ISS vent all the air immediately?
- If the brain recovers from depression, than are there obvious before and after structural changes?
- Would a proton orbit an antiproton?
- Is lux or candela/m2 a more appropriate unit for quantifying the amount of light that reaches someone's eye?
- Would dolphins echolocation work out of water? How different would it be from bats echolocation?
- How is it possible that we can sleep too much? Shouldn't we wake up the moment our body has rested enough?
- How is the discrete particle aspect of photons consistent with cyclotron radiation?
- What are the difference of bipolar and depression?
- Is intelligence hereditary?
- Why does each planet have exactly 5 Lagrange points?
- What biological 'equipment' does an organism need to feel pain (and can this be exclusive of suffering)?
- I covered a cast iron pan full of leftovers with aluminum foil two days ago. Today, when I went to reheat the food, I found that the aluminum foil had turned to swiss cheese, dissolving somehow onto the surface of our food! What process just happened here?
- If the coriolis effect makes hurricanes/typhoons swirl in different directions, what exactly happens when storms cross the equator? Do they begin to slow and weaken?
- How did we find that relaxed electrons emit light?
- Why doesn’t thunder happen all at once? Why is the sound spread out?
- Does prosopagnosia/face blindness also affect how people see ‘faces’ on animals or is it restricted to humans?
- How much power does the average quartz watch use?
- What do pets see toys as? Does a cat see a butterfly on a string as prey? Does a dog see a cuddly toy as another animal?
- How much does long-term memory vary across humans?
- Why does blood donation use hard needles unlike IV lines?
- How was the experiment that lead scientists to found or confirm the universal gas constant?
- Can acoustic and optical phonon branch intersect?
- What do the numbers on oil mean?
- Do Solid State Drives have any vulnerabilities that can be compared to how destructive magnetic fields are to HDDs?
| Why didn't the leak in the ISS vent all the air immediately? Posted: 09 Sep 2018 07:32 AM PDT I assumed that because there's no air in space, and lots in the ISS, it would shoot out incredibly fast. Is my assumption just plain wrong or is there more at play? [link] [comments]  |
| If the brain recovers from depression, than are there obvious before and after structural changes? Posted: 09 Sep 2018 07:40 PM PDT |
| Would a proton orbit an antiproton? Posted: 10 Sep 2018 06:15 AM PDT Would they just annihilate? If so, what would they release? Or would the residual strong force tear them apart? Once torn apart, would their quarks just annihilate, or would they settle into mesons? If this did happen, what would it be called? Protonium, or an just an exotic hydrogen-2 cation? Do we even know any of these things? And; most importantly; what exactly keeps antiparticles in orbit? Shouldn't their electric attraction just pull them together and annihilate them? (Sorry bout the length but this has literally kept me up over the last few nights. Help!!!) [link] [comments]  |
| Posted: 10 Sep 2018 12:47 AM PDT I am a little confused about which unit is most appropriate for my purposes. I am measuring pupil diameter using a remote eye tracking device mounted to a computer monitor. I am adjusting light via changes to computer screen luminance via adjusting the colour of the screen (e.g. white – grey – dark grey). There are going to be other lights in the room as well which will stay constant. My main goal is to measure how much light that reaches a person's eye in a given condition. Is it most appropriate to measure candela/m2 or lux in this case? I have found so many conflicting points about the differences between luminance and illumination, regarding which is more appropriate for my purposes. My thinking is that I would want to measure lux because I am not only interested in the amount of light that is emitted from the computer screen, but all of the light in the room that reaches a person's eyes. I just happen to be manipulating this via the computer screen. I am still left with a bit of a nagging feeling though as I am not 100%. Any help is greatly appreciated. [link] [comments]  |
| Would dolphins echolocation work out of water? How different would it be from bats echolocation? Posted: 09 Sep 2018 04:49 PM PDT Would a dolphin "see" the way it is used to when using echolocation out of water? [link] [comments]  |
| Posted: 09 Sep 2018 12:20 AM PDT |
| How is the discrete particle aspect of photons consistent with cyclotron radiation? Posted: 09 Sep 2018 04:54 PM PDT Speaking from a certain level of layman intuition, I can picture how a single charged particle spiraling around in a cyclotron can emit EM waves like this. What I'm having trouble understanding is the consistency between this wave model, and the discrete nature of photons, specifically in the case of cyclotron radiation. As I understand it, you could detect individual discrete photon energy packets arriving at a detector at various times from a spiraling (accelerating) charge in a cyclotron. Does this discrete particle aspect indicate that there are instances in time when the accelerating charge is not producing a photon? Or else it seems like it would have to be emitting an infinite amount of photons (and energy) at every moment in time to mirror the continuous nature of the wave-like behavior in the gif? [link] [comments]  |
| What are the difference of bipolar and depression? Posted: 09 Sep 2018 07:37 PM PDT |
| Posted: 09 Sep 2018 10:46 AM PDT |
| Why does each planet have exactly 5 Lagrange points? Posted: 09 Sep 2018 04:52 PM PDT I can understand the location of L1, since it is located on the line segment connecting the centers of the Sun and the planet in question. Could someone explain where the other four should be, and why there are only four more? [link] [comments]  |
| Posted: 09 Sep 2018 06:20 PM PDT I'll preface this with the fact that I'm not very educated when it comes to science. While it's obvious that land animals such as cats, pigs, cows, humans etc are capable of both feeling pain and suffering - I've been looking into bivalves like clams and oysters, and it seems they have a 'basic' brain structure in place. Ganglia, nerve cords e.t.c. Obviously no central nervous system though. I've seen mixed opinions about whether or not this allows them to feel pain. In the case of clams, the evidence was given that they react to physical stimuli by moving away, in a similar way to mammals (and in a way that plants cannot). This seems to me more in line with sentience than with non-sentient life. It seems that no-one really knows at this point, but I've heard both sides:
Basically, my questions are: Are bivalves sentient? What does an organism need to feel pain and/or suffer? [link] [comments]  |
| Posted: 09 Sep 2018 03:32 PM PDT |
| Posted: 09 Sep 2018 04:12 PM PDT |
| How did we find that relaxed electrons emit light? Posted: 10 Sep 2018 12:24 AM PDT |
| Why doesn’t thunder happen all at once? Why is the sound spread out? Posted: 09 Sep 2018 06:06 PM PDT |
| Posted: 09 Sep 2018 01:54 PM PDT |
| How much power does the average quartz watch use? Posted: 09 Sep 2018 10:14 PM PDT So I did a Google search before asking this and couldn't find many solid answers. I'm assuming that the amount of power consumption differs from watch to watch as well as the battery capacity. Can anyone give me an estimate as to how much electricity is usually used to vibrate the quartz crystal to keep the watch functioning? Or at least give me an explanation as to why this question is hard to answer? Thank you! [link] [comments]  |
| Posted: 09 Sep 2018 12:43 PM PDT |
| How much does long-term memory vary across humans? Posted: 09 Sep 2018 12:01 PM PDT Do all people have a similar "forgetting rate" of stuff stored in long-term memory or is there a significant variation? Also, is there a standard measure of long-term memory, aka "memory quotient"? [link] [comments]  |
| Why does blood donation use hard needles unlike IV lines? Posted: 09 Sep 2018 09:08 AM PDT It seems that when you give whole blood or platelets, they stick you with (a) rigid needle(s) and leave them in your vein(s). If you move too much, the needles can work their way out and cause bruising. But when you get an IV, they stick you with a rigid needle, but then leave only a flexible tube in your vein. Why don't they use flexible tubes for blood donations? [link] [comments]  |
| How was the experiment that lead scientists to found or confirm the universal gas constant? Posted: 09 Sep 2018 08:20 PM PDT I know the constant (R) was found as a combination of some chemistry laws including Avogadro's, Gay-Lussac's and Boyle's and that it was determined empirically but there had to be one first experiment to found it or at least to confirm it. [link] [comments]  |
| Can acoustic and optical phonon branch intersect? Posted: 09 Sep 2018 10:04 AM PDT I studied that in the case of a diatomic chain in 1D, when the two atoms have the same mass, the optical and acoustic phonon branch intersect at some point. Now I was wondering if this is true also in the case of a 3D material, like diamond (that can be seen as a fcc lattice with 2 carbon atoms per cell). I've done a DFT simulation, but the resulting dispersion relation seems to negate this possibility. Did I made some mistake in the simulation or exists a gap between the two branches? [link] [comments]  |
| What do the numbers on oil mean? Posted: 09 Sep 2018 03:46 PM PDT What are the numbers on engine oil actually measuring? I know the #W is winter and the next number is at 100C, but shouldn't viscosity go down as temperature rises? And is a bigger range better or a smaller range better? [link] [comments]  |
| Posted: 09 Sep 2018 08:51 AM PDT |
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