Does multi-verse theory allow for variation in the laws of physics or must the laws of physics be constant across all universes? |
- Does multi-verse theory allow for variation in the laws of physics or must the laws of physics be constant across all universes?
- What Mechanism Produces Black Body Radiation?
- How often do animals known for their quickness or agility (like a deer or cheetah) tear ligaments or pull muscles?
- Would botulism leave any diagnostic trace a year after someone suffers from it?
- Why do coral reefs not grow in the Gulf of Mexico but thrive in areas like that of the Caribbean islands?
- Is there an official time/clock by which all other clocks are set?
- Will a lost ant seek out a new colony and will a colony accept outsiders?
- Why does wind "die down" at night?
- Why doesn't deuterium fusion occur in main sequence stars?
- If a fidget spinner was brought into the void of space, could it potentially spin forever?
- Why is it so common for people to have reoccurring dreams where their teeth fall out?
- What is the volume of soil erosion caused by humans and does it have any affect on sea level rise?
- Why do doctors still use stitches that need to be removed instead of dissolving ones?
- Do you get more sun burnt when it's hotter out?
- Why does water always taste 'flat' when you leave it out overnight?
- How do wind speeds change with altitude. The general rule of thumb is the higher you are, the faster wind is. At what altitude does this change?
- If we had not reduced our production of Ozone depleting gases but had stayed on a "business as usual" scenario, how bad would the UV radiation problem be by now?
- Where is salt actually formed? Rivers or oceans?
- When wire is coiled to create an electromagnet why does the electric current follow the wire instead of taking the shortest path through the sides of each turn?
| Posted: 15 Jun 2017 09:12 PM PDT |
| What Mechanism Produces Black Body Radiation? Posted: 16 Jun 2017 02:54 AM PDT I have spent about a half hour trying to google this, and I always get the same page often titled "How is black body radiation produced?" that keeps on telling me what black body radiation does after it's radiated. I learned long ago about the basic equations used to describe the phenomenon or how to calculate the spectral lines, and I'm very familiar with how a spectrum with a graph on it looks. None of these answer my question. So Reddit please save me. HOW is black body radiation actually produced on the quantum level? What mechanism takes place to generate the actual photon and what parts of the atom are involved, what are the specific quantum interactions, and which specific Fermions and Bosons are doing what in what way? What energies are involved? I realize this will have at least 3 different answers depending on the phase of the material, and that there is quite a bit of cross over with thermal radiation. Bonus: How do monatomic gases emit black body radiation in rare cases? [link] [comments]  |
| Posted: 16 Jun 2017 06:15 AM PDT |
| Would botulism leave any diagnostic trace a year after someone suffers from it? Posted: 15 Jun 2017 08:52 PM PDT North Korea claims the American student, Otto Warmbier, had a case of botulism before being sedated and falling into a coma. He is now in a vegetative state. The American doctors examining him stated that they found no evidence of botulism, But it is unclear what exactly they meant by that statement. Botulin, the toxin, would presumably have left the body after 4 or 5 months, no? So of course there would be no "active botulism". So my question is, am I interpreting their statement correctly? It either means everything (he didn't have botulism), or it means nothing (because one wouldn't even expect to observe active botulism after more than a year). Which one is it? [link] [comments]  |
| Posted: 16 Jun 2017 07:15 AM PDT |
| Is there an official time/clock by which all other clocks are set? Posted: 16 Jun 2017 06:24 AM PDT Is there something close to an international standard? Do different countries do their own thing (if even that)? And if this/these thing(s) exist, how do we know they're accurate? [link] [comments]  |
| Will a lost ant seek out a new colony and will a colony accept outsiders? Posted: 15 Jun 2017 06:48 PM PDT Lets say an ant crawls onto my car and I drive 50 miles away. Will that ant actively seek out a new colony? And if it did, will a colony assimilate it? Or are lost ants SOL? [link] [comments]  |
| Why does wind "die down" at night? Posted: 15 Jun 2017 07:11 PM PDT |
| Why doesn't deuterium fusion occur in main sequence stars? Posted: 16 Jun 2017 07:37 AM PDT What makes the proton-proton chain reaction the preferred method of fusion in main sequence stars if deuterium fusion occurs at lower temperatures? Following that, why does the carbon-nitrogen-oxygen cycle become the preferred method of fusion in stars starting around 1.3 solar masses? [link] [comments]  |
| If a fidget spinner was brought into the void of space, could it potentially spin forever? Posted: 16 Jun 2017 06:46 AM PDT |
| Why is it so common for people to have reoccurring dreams where their teeth fall out? Posted: 15 Jun 2017 05:19 PM PDT |
| What is the volume of soil erosion caused by humans and does it have any affect on sea level rise? Posted: 16 Jun 2017 04:09 AM PDT |
| Why do doctors still use stitches that need to be removed instead of dissolving ones? Posted: 15 Jun 2017 05:26 PM PDT |
| Do you get more sun burnt when it's hotter out? Posted: 15 Jun 2017 12:18 PM PDT |
| Why does water always taste 'flat' when you leave it out overnight? Posted: 15 Jun 2017 10:02 AM PDT |
| Posted: 16 Jun 2017 02:01 AM PDT What is the wind speed at 30'000 meters, for example? If this varies with location/weather, my question would concern Europe/Switzerland. Thank you for any answers, I've been asking people for days now and googling but haven't had any luck. [link] [comments]  |
| Posted: 15 Jun 2017 05:56 AM PDT |
| Where is salt actually formed? Rivers or oceans? Posted: 15 Jun 2017 05:00 PM PDT This is what I understand: the water cycle moves sodium ions from land into the ocean. Volcanic eruptions add chlorine ions to the ocean water. When these sodium and chlorine ions were in the ocean x years ago, they bonded to make salt. So does salt come from oceans or land/rivers? [link] [comments]  |
| Posted: 15 Jun 2017 11:33 AM PDT It often appears that coils do not have insulating layers between the turns. What prevents the electricity from simply skipping between turns in the coil and undermining the intended effect? How is a coil of uninsulated wire different from a cylinder of solid metal? [link] [comments]  |
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