What's the cause for the extreme increase of Sargassum seaweed since 2011? |
- What's the cause for the extreme increase of Sargassum seaweed since 2011?
- How does hail form? (Especially large sizes)
- Why is the singlet-state gluon not allowed, instead of just being a non-strong-interacting particle?
- How does half life work for individual atoms?
- Why are microplastics any worse than other small, inert particles like sand?
- If deserts form around 30° latitude due to global pressure belts, why aren't there deserts in Florida or Eastern China?
- If I throw a ball straight up, how long does it remain perfectly still at its max height before beginning to fall? What factors, if any, affect this length of time?
- Are dielectrics affected by external magnetic fields?
- What is the del operator in the Schrodinger equation?
- How are there storms and wind on the Mars, when there is no atmosphere?
- How high in latitude does water need to be to evaporate at room temperature?
| What's the cause for the extreme increase of Sargassum seaweed since 2011? Posted: 21 Aug 2018 04:52 AM PDT |
| How does hail form? (Especially large sizes) Posted: 20 Aug 2018 11:27 PM PDT |
| Why is the singlet-state gluon not allowed, instead of just being a non-strong-interacting particle? Posted: 20 Aug 2018 11:27 PM PDT Referring to this page: https://en.wikipedia.org/wiki/Gluon#Counting_gluons [link] [comments]  |
| How does half life work for individual atoms? Posted: 20 Aug 2018 02:59 PM PDT So I do know what half life means on a macroscopic scale. If you have an unstable substance with a half life of, say, a minute. It would mean that every minute, half of the atoms of that substance would decay in some other substance. So when you start witb 120 unstable atoms with a half life of 60 seconds. Probably no more than a second after you start measuring there would already be one atom that has decayed. A minute later roughly 60 atoms will have decayed. The decay of the last atom, however, will probably be some minutes later. Given that the decay of a single atom can be really close to t=0 and could also be really distant t=0 depending on the amount of atoms you start with. Why can some atoms 'hold on' longer than others. And why even more so when you start with more of those atoms. Note: While typing this I realized that it is possible that every atom has the same probability of decaying at any given time and more atoms will decay when you have more rather than less. So half life is basically just the average rate of decay for individual atoms of that substance. This would translate into a macroscopic observation of halving every half life. Is this a correct way of seeing it? [link] [comments]  |
| Why are microplastics any worse than other small, inert particles like sand? Posted: 20 Aug 2018 10:31 AM PDT Even though plastics get everywhere, shouldn't they just pass through the digestive systems of animals? [link] [comments]  |
| Posted: 20 Aug 2018 05:01 PM PDT |
| Posted: 20 Aug 2018 02:21 PM PDT |
| Are dielectrics affected by external magnetic fields? Posted: 20 Aug 2018 10:54 PM PDT I understand they are only affected by constant or time-varying electric fields, but are they affected by constant or time-varying magnetic fields? [link] [comments]  |
| What is the del operator in the Schrodinger equation? Posted: 20 Aug 2018 09:52 AM PDT |
| How are there storms and wind on the Mars, when there is no atmosphere? Posted: 20 Aug 2018 09:46 AM PDT |
| How high in latitude does water need to be to evaporate at room temperature? Posted: 20 Aug 2018 10:20 AM PDT |
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