How does the ISS avoid being hit by comets, asteroids, rocks, debris, etc.? |
- How does the ISS avoid being hit by comets, asteroids, rocks, debris, etc.?
- Can an organism's physical structure be inferred from its genome?
- What happens the virus or bacteriophage capsid/structure when it injects its material into the host?
- Will coffee stay hotter if I put milk in right away or if I wait till I drink it?
- Why do we square then square root in standard deviation, as opposed to simply taking the modulus of all values? Surely the way we do it puts additional weighting on data points further from the mean?
- How do Anti Satellite Missile work?
- In public health research, when do you exclude people with some attribute that could bias the results and when do include them and include the said attribute as a covariate in your model?
- Electrical synapses in smooth muscle?
- Why do oil-slick "rainbows" seem to be dominated by yellows and purples?
- What processes are actually stalled when someone’s metabolism “slows down” ?
- Why is the kinetic Energy division, between electron and antineutrino, in beta- decay, so uneven?
- Are there examples of evolutionary change or adaptation in humans evident from the last few thousand years?
- How does caffeine withdrawal cause headaches?
- How will the James Webb Telescope produce clear images when there's gaps between the mirrors?
- Does the inverse square law for waves (EMF, Acoustic) hold true at the microscopic level? Is the energy at a picometer away from the source really the square of the energy at 2 picometers?
- Do 'compostable' plastics break down into microplastic?
- Why do some plants have a very large genome? The Ginkgo has 10 billion DNA nucleo-bases for example
- How much do our organs move?
- What exactly changes in a person's cognition and behaviour after a lobotomy? How do they live out their lives post-operation? The Wikipedia page is pretty abstract.
- How long does re-polarization of neuronal sodium channels take after depolarization?
| How does the ISS avoid being hit by comets, asteroids, rocks, debris, etc.? Posted: 16 Nov 2021 04:45 AM PST Edit: i see a lot of coments referring to the situation with the russian missile. Honestly i didn't know that anything like that happened, especially today. This is a crazy coincidence. The reason i posted the question is because i was reading a book called How to die in space, and i got to a chapter that describes how different objects in outer space could kill you if they hit you. I didn't expect to get this big of a reaction. [link] [comments] |
| Can an organism's physical structure be inferred from its genome? Posted: 15 Nov 2021 07:15 PM PST For example, if provided the DNA of an elephant, would it be possible to determine that the organism it codes for has four legs, two tusks, a trunk, and so on without knowing in advance that it's an elephant? If not, why is this impractical or impossible? [link] [comments] |
| What happens the virus or bacteriophage capsid/structure when it injects its material into the host? Posted: 16 Nov 2021 04:30 AM PST Is it just an empty shell or capsid that degrades or what happens? Can it ever get refilled with genetic material? [link] [comments] |
| Will coffee stay hotter if I put milk in right away or if I wait till I drink it? Posted: 16 Nov 2021 01:52 PM PST So I've made myself a cup of coffee but the rest of breakfast is a minute from ready and I ask myself. "Will my coffee stay hotter if I put the milk in now or if I put the milk in when I sit down to eat?" I decided to wait and my coffee is adequately hot but the question remains. [link] [comments] |
| Posted: 15 Nov 2021 09:32 AM PST |
| How do Anti Satellite Missile work? Posted: 16 Nov 2021 11:32 AM PST How can they calculate where the satellite will be when they reach the impact point? [link] [comments] |
| Posted: 16 Nov 2021 08:22 AM PST |
| Electrical synapses in smooth muscle? Posted: 16 Nov 2021 08:08 AM PST Might be a stupid question, but I have read in several Biology books that electrical synapses can occure in smooth muscles as well (after further research, I found out that the uterus and bladder contain such synapses, for synchronical movements, like contractions). What is the exact physiology of the electrical synapse in this case, does the neuron connect directly to a muscle fibre? [link] [comments] |
| Why do oil-slick "rainbows" seem to be dominated by yellows and purples? Posted: 15 Nov 2021 04:36 PM PST I know about constructive/destructive interference and everything, not looking for an explanation of the general phenomenon—I'm wondering specifically why they always look like the sickly, evil cousin of a normal rainbow. Is there some kind of overlap, where the red at the edge of one overlays the blue at the edge of the next to make purple or something? [link] [comments] |
| What processes are actually stalled when someone’s metabolism “slows down” ? Posted: 15 Nov 2021 05:26 PM PST I know that age, some hormonal conditions, and starvation can slow down someone's metabolism. But what bodily processes are actually slowed? What does the body stop "doing" to burn fewer calories? Are any of these processes important? [link] [comments] |
| Why is the kinetic Energy division, between electron and antineutrino, in beta- decay, so uneven? Posted: 16 Nov 2021 03:22 AM PST In beta- decay the kinetic Energy is mostly divided between electron and antineutrino. It happens alot more that the Antineutrino gets all of it and the electron none. Why is that? I already got the answer that, if two particles have the same momentum but different mass, the one with less mass will have more kinetic Energy. But that still doesnt explain why in most cases the electron doesn't get any kinetic Energy. The momentum must be unevenly distributed as well, or did I get it wrong? [link] [comments] |
| Posted: 15 Nov 2021 11:14 AM PST From the peppered moth to the tawny owl, we see examples of rapid evolution. Though I'd expect nothing of the speed of these two creatures evolutionary adaptation, I'm wondering if there have been any examples of evolutionary adaptation that can be seen in humans in the last few thousand years(I'll keep that time frame relatively vague to account for my lack of knowledge of how detailed our records are of these characteristics depending on how far back we go in time, though clearly we needn't too much "recorded" data to surmise a species' believed anatomy considering our hypotheses about so many other animals). [link] [comments] |
| How does caffeine withdrawal cause headaches? Posted: 15 Nov 2021 08:26 AM PST |
| How will the James Webb Telescope produce clear images when there's gaps between the mirrors? Posted: 15 Nov 2021 01:59 PM PST Im talking about thse gaps i dont quite understand how youre supposed to get a clear image, when part of the light reflecting from these mirrors goes to waste between the gaps from the mirror [link] [comments] |
| Posted: 15 Nov 2021 01:19 PM PST |
| Do 'compostable' plastics break down into microplastic? Posted: 15 Nov 2021 06:44 AM PST I manage an urban composting site and we frequently get compostable bags. Our site generates enough heat to semi-reliably break down the bags, but do they actually break down the same as organics? Do they just turn into microplastic faster? The main certifying body (in the US anyway) is BPI who actually have their criteria posted: https://bpiworld.org/BPI-Certification-Scheme I couldn't find any methodologies that specifically addressed microplastics, but its also a bit above my reading level. Any information would be exceptionally valuable and will help guide us on what we accept at our site. Thank you! [link] [comments] |
| Why do some plants have a very large genome? The Ginkgo has 10 billion DNA nucleo-bases for example Posted: 15 Nov 2021 08:03 AM PST |
| Posted: 15 Nov 2021 03:30 AM PST In addition to the heart and lungs, what's the extent and type of movement of our organs like the intestines, stomach, kidneys, liver, etc.? [link] [comments] |
| Posted: 15 Nov 2021 09:43 AM PST |
| How long does re-polarization of neuronal sodium channels take after depolarization? Posted: 15 Nov 2021 10:22 AM PST |
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