Would it be any dangerous at all to split even one atom? |
- Would it be any dangerous at all to split even one atom?
- Can lungs be cleaned from tobacco tar?
- Can swiming in an open air pool filled with thermal spring water containing radon be dangerous to you?
- Does gravitational time dilation impact a star's lifetime?
- Why is the night sky relatively the same every night?
- [mathematics] Shouldn't any constant raised to the power of an irrational number become an irrational? Ex 5^pi. If so, why would e^(pi*i) =-1?
- Would it be possible to stop the motion of a charged particle with the use of magnets?
- How does electrolysis even work? If there are positive and negative ions inside the electrolyte (after it's disassociation) why don't they just combine with themselves?
- Why can/does China set such high interest rates?
- What is "The Blob" about?
- Why are only the off-diagonal elements of the density matrix suppressed in quantum decoherence?
- If we would build a pipe from here to the outer space and open both ends, would the air emit till theres no air left on earth?
- What makes a person's voice distinct?
- [Chemistry] Air is around 70% Nitrogen, and yet none of it affects any chemical reactions. Why?
- Why is that neurons aren't physically connected?
- When you take a drug in your dreams and actually feel the effects of the drug, what is really going on in your brain?
- Does body orientation affect how blood flows through the brain?
- If matter can't be created or destroyed, what is happening when we create anti-matter in the LHC or at Fermilab and it annihilates itself along with the equivalent matter?
- Why can't oil derricks use traditional drills?
- What causes the strange taste that occurs in the water of water bottles that were opened a few days ago?
| Would it be any dangerous at all to split even one atom? Posted: 30 Nov 2015 05:01 AM PST How many atoms would you have to split to for example take out everyone in a 1 meter radius? I remember a SciShow video that said something along the lines of splitting the atoms in a log would would take out a whole city, but there's billions of atoms in one. Edit: I'm aware that it's gonna be hard to calculate exactly, but is there an estimate? [link] [20 comments]  |
| Can lungs be cleaned from tobacco tar? Posted: 29 Nov 2015 07:56 AM PST I mean harmlessly entering some solvent into lungs and extracting it with (pardon) all the shit that was there. As far as i know organism cleans lungs by itself, but it takes much time, so I was searching for faster alternative for smokers and this seems to be the most sensible way to do it [link] [627 comments]  |
| Posted: 29 Nov 2015 08:41 AM PST |
| Does gravitational time dilation impact a star's lifetime? Posted: 30 Nov 2015 06:21 AM PST Does gravitational time dilation impact a star's lifetime? If so, is there a "normalized" stellar lifetime which takes this into account? What sort of observational evidence, if any any, suggests that nuclear processes in the star happen faster/slower than we would expect in the lab? [link] [1 comment]  |
| Why is the night sky relatively the same every night? Posted: 29 Nov 2015 06:12 PM PST As the earth orbits around the sun shouldn't the stars gradually shift across the sky? Why is it we can see the same constellations every night of the year? [link] [16 comments]  |
| Posted: 29 Nov 2015 02:59 PM PST Here's my thinking. Since an irrational number can't be expressed as a/b, how can we determine any constant raised to an irrational number? x1.5 will be x3/2, or the sqrt(x3). But with an irrational number, it can't be represented that way, so how would it be computed? Sure you could cut it off at 50 decimal places but that seems rather arbitrary. There's no way you'll ever be a rational number. So into epi*i, How can it possibly equal -1 on the nose? Even expressed as a infinite sum it doesn't seem it should be rational, much less an integer. It could be -. 9999 repeating but that wouldn't be irrational. Anyway, just a bit confused hear, if anyone could explain it with intro level Calculus I would appreciate it. [link] [15 comments]  |
| Would it be possible to stop the motion of a charged particle with the use of magnets? Posted: 29 Nov 2015 09:02 PM PST What I mean is if you have 2 really strong magnets facing each other and some charged particles in the middle lined up, would it be possible to use the attraction of the magnets to stop the particles from vibrating and therefore cool them down? If the particles are trying to move to one magnet but are being pulled back by the other would this effectively stop them from vibrating? [link] [4 comments]  |
| Posted: 30 Nov 2015 06:36 AM PST I'm not sure but my best guess is that the potential across both the electrodes is just more powerful than the electrostatic force. But if this is the case, then if a small enough current (smaller than whatever the electrostatic force is) is provided and an electrolyte decomposes will the ions probably associate with themselves again? [link] [comment]  |
| Why can/does China set such high interest rates? Posted: 30 Nov 2015 06:13 AM PST The base rate set by the PBoC is currently at 4.35% compared to the federal funds rate of 0.25% and the BoE base rate of 0.5%. Source: http://global-rates.com/interest-rates/central-banks/central-bank-china/pbc-interest-rate.aspx Why is this the case? [link] [comment]  |
| Posted: 30 Nov 2015 05:15 AM PST Link to Wikipedia: https://en.wikipedia.org/wiki/The_Blob_(Pacific_Ocean) [link] [comment]  |
| Why are only the off-diagonal elements of the density matrix suppressed in quantum decoherence? Posted: 29 Nov 2015 08:55 PM PST My understanding of decoherence is that it's almost a direct analogue of thermodynamic mixing. When a quantum system decoheres to become classical, it's simply entangling itself with the environment in a way that destroys the relative phase information between its pure states. This loss of phase information suppresses all quantum interference terms, rendering the system effectively classical. [this is only a vague understanding on my part, so feel free to correct me if it's wrong.] The loss of phase causes an exponential suppression of the off-diagonal elements, which is why we don't observe non-classical interference terms like "alive cat + dead cat". My question is: why are only the off-diagonal terms suppressed? What's special about the clasically-allowable diagonal elements? I'm not an expert, so please try to keep your answer as intuitive as possible (semi-technical is fine - I have a lazy undergraduate's understanding). [link] [1 comment]  |
| Posted: 30 Nov 2015 03:57 AM PST you know like it's the case with a balloon sry for my english [link] [15 comments]  |
| What makes a person's voice distinct? Posted: 29 Nov 2015 05:40 AM PST |
| [Chemistry] Air is around 70% Nitrogen, and yet none of it affects any chemical reactions. Why? Posted: 29 Nov 2015 03:06 PM PST |
| Why is that neurons aren't physically connected? Posted: 29 Nov 2015 07:18 AM PST I know about synapses and neurotransmitters, but why aren't the neurons actually physically connected? Wouldn't it make impulse movement faster? I admit it might, possibly, stop neurons from connecting to more than one or two, but still, why? [link] [14 comments]  |
| Posted: 29 Nov 2015 11:39 AM PST |
| Does body orientation affect how blood flows through the brain? Posted: 29 Nov 2015 08:43 AM PST For example, if I am lying on my right side, will the right half of my brain receive more blood flow. If so, does this result in any cognitive changes? [link] [7 comments]  |
| Posted: 29 Nov 2015 03:57 PM PST Because wouldn't that violate the law of conservation of matter? It seems counter intuitive to me unless something else hppens when anti-matter and matter come into contact. [link] [19 comments]  |
| Why can't oil derricks use traditional drills? Posted: 29 Nov 2015 08:21 AM PST |
| Posted: 29 Nov 2015 06:49 AM PST Whenever I forget to finish a water bottle and instead leave it around the house for a few days, I can always tell the difference between it and a newly opened bottle by the distinctive taste. It's hard to place, but I would call it a slightly rubbery aftertaste. What causes this? [link] [8 comments]  |
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