What happens to all the debris that goes in your eye? Does it all accumulate for years behind the eyeball? |
- What happens to all the debris that goes in your eye? Does it all accumulate for years behind the eyeball?
- How much of the heat on the surface of the Earth comes from below instead of the Sun? Since temperatures go up as you dig deeper, how far down would you have to be for most of the heat be from non-solar sources?
- Can alcohol intake during early pregnancy affect the embryo/fetus before the umbilical cord is developed? If so, how?
- [physics] Why doesn't Helium freeze at 0K?
- What scientific obstacles do we still need to overcome to make space elevators a reality?
- How do force carrier particles explain attraction between particles?
- Is there a limit to how often a particle can quantum tunnel?
- Why does a radio play static or white noise when there is no signal rather than silence?
- As phone battery life decreases, why don’t they recharge faster?
- What is an electriic double layer capacitor and how are they different from a standard capacitor?
- Is there an extension of the difference operation to more than two values?
- I've heard you can use resonance to destroy large buildings or bridges. And I've seen the videos of Galloping Gertie. But have we ever actually used resonance On Purpose to destroy a large structure? If so, what was the mechanism used and do you have video?
- Why are rainbows circular?
- Why is Lithium present in most of the strongest bases ?
- If a particle is a wave, how does a wave itself remain stable and not diminish. Or does it?
- Is it possible to un-cook food?
- How are fish living in the Mariana Trench able to withstand such immense pressure?
- How much do catalytic converters help the environment if used on old cars?
- How can electrons can travel faster than the local speed of light in Cherenkov radiation?
- If neutrons are slightly more massive than protons, how can a proton emit a Beta+ particle/positron (a particle that has mass) and become a neutron but a neutron can also emit a beta- particle and become a proton?
| Posted: 15 Nov 2017 06:53 PM PST In particular, what happens with materials that aren't pushed out of the eye or are dissolved with eyeball fluids?! [link] [comments]  |
| Posted: 16 Nov 2017 06:13 AM PST |
| Posted: 16 Nov 2017 07:18 AM PST I have often heard that alcohol intake during the first few weeks of pregnancy is harmless, due to the embryo getting nutrients not from the mother but from the yolk sac. I've tried to read up, but haven't found anything conclusive. Wikipedia confirms that the umbilical cord is not developed until week five, supporting the "harmless-hypothesis". But other sources claim that the embryo/fetus can indeed be affected by alcohol intake before week five. According to this article written by a researcher at the ASU, "in the third week after fertilization that specific alcohol-induced birth defects begin to affect the developing embryo". The article lists many aspects of how the early development can be affected. I've seen loads of other sources claim the same thing. But how does this work, if the embryo/fetus is not even connected to its mothers bloodstream yet? [link] [comments]  |
| [physics] Why doesn't Helium freeze at 0K? Posted: 15 Nov 2017 02:20 PM PST I know reaching 0k is actually impossible. But from my understanding, all predictions indicate that helium would remain a liquid at 0k [link] [comments]  |
| What scientific obstacles do we still need to overcome to make space elevators a reality? Posted: 16 Nov 2017 06:13 AM PST Follow-up questions:
[link] [comments]  |
| How do force carrier particles explain attraction between particles? Posted: 16 Nov 2017 03:49 AM PST I know for example that protons and electrons communicate with each other through the electromagnetic force, but I can't seem to grasp how this results in attraction. The repelling between the same charges I can somehow see (with the photons 'pushing' the particles in opposite direction), but this is probably dangerous classical thinking in a quantum world? Same with gravity by the way. How does the moon, for example, provide the communication with the earth that it has moved, creating tides? [link] [comments]  |
| Is there a limit to how often a particle can quantum tunnel? Posted: 16 Nov 2017 05:44 AM PST Lets take an electron and a small transistor for an example. It is said that if a transistor is too small, an electron can quantum tunnel through it. I was wondering, if an electron tunnels to one side, is it possible for it to tunnel back quickly? If so, does physics give any hard limits to how quick this back and forth action can be? Does it matter if instead of having an electron jumping the same transistor twise, the electron instead jumps two nearby transistors in a row? [link] [comments]  |
| Why does a radio play static or white noise when there is no signal rather than silence? Posted: 15 Nov 2017 05:05 PM PST I was listening to the radio and drove through a tunnel this evening and my radio played the familiar static / white noise through my speakers and I wondered why this happens rather than just going silent. [link] [comments]  |
| As phone battery life decreases, why don’t they recharge faster? Posted: 15 Nov 2017 06:10 PM PST |
| What is an electriic double layer capacitor and how are they different from a standard capacitor? Posted: 15 Nov 2017 05:17 PM PST |
| Is there an extension of the difference operation to more than two values? Posted: 15 Nov 2017 05:00 PM PST The difference between, e.g., 3 and 5 is 2. Is there a reasonable extension of this idea (that keeps some of the same properties) to more than two numbers? [link] [comments]  |
| Posted: 15 Nov 2017 09:36 PM PST |
| Posted: 16 Nov 2017 06:14 AM PST Is there any simple explanation on why rainbows are circular? I have read something about angles but didn't quite understand because of some fancy words. Thanks in advance! [link] [comments]  |
| Why is Lithium present in most of the strongest bases ? Posted: 15 Nov 2017 03:04 PM PST It seems like lithium is omnipresent in every strong bases such as tBuLi n-BuLi LDA etc.. I suspect it has something to do with its size as it is one of the smallest atom. Bonus question : Why is tBuLi more basic than n-Buli ? Does it come from the fact that the resulting carbanion is more stabilized from inductive effects ? [link] [comments]  |
| If a particle is a wave, how does a wave itself remain stable and not diminish. Or does it? Posted: 15 Nov 2017 09:53 PM PST |
| Is it possible to un-cook food? Posted: 15 Nov 2017 02:27 PM PST |
| How are fish living in the Mariana Trench able to withstand such immense pressure? Posted: 15 Nov 2017 05:27 PM PST |
| How much do catalytic converters help the environment if used on old cars? Posted: 15 Nov 2017 01:33 PM PST As a lover of old cars and someone who is now concerned about the environment, how much would adding a catalytic converter help reduce bad exhaust gasses? I know what they do and how I just don't know if I should really be concerned about putting one on my car that isn't under regulatory scrutiny. Also are there any other ways I can keep emissions down while still enjoying doing what I love (driving)? And help is much appreciated! [link] [comments]  |
| How can electrons can travel faster than the local speed of light in Cherenkov radiation? Posted: 15 Nov 2017 12:36 PM PST
https://en.wikipedia.org/wiki/Cherenkov_radiation OK so I understand that C is a constant and that light doesn't always travel at that speed, and only does so in a vacuum. But, I don't understand how these electrons can travel faster than the local speed of light (in that medium)? One analogy I can think of is that a cheetah (light) is faster than a shark (electron) on land (vacuum), but in water (medium in Cherenkov radiation) the shark would be faster, but still not as fast as the cheetah is on land. This is because the shark is better suited for water. Is this analogy accurate? So does this mean these electrons in Cherenkov radiation are for some reason better suited in this medium than light is? If so, why? Or is there another explanation? I don't understand how an electron can be better suited since photons of light seem to have everything going for them including size and mass. Can the light be made to still go faster than the electrons in this medium if someone wanted to? Thanks. [link] [comments]  |
| Posted: 15 Nov 2017 01:06 PM PST I would have put a nuclear chem flair but I suppose this is more in the realm of physics. [link] [comments]  |
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