Why aren't there "stuff" accumulated at lagrange points? |
- Why aren't there "stuff" accumulated at lagrange points?
- Why do fusion reactors use vacuums when fusion happens in the Sun under extremely high pressure?
- How do hospitals use 1-day urine to determine kidney function?
- Do sound waves move faster or slower depending on temperature?
- Is visible light damaging to your eyes and vision, or just UV?
- How do chemists predict chemical compositions and their properties?
- When an object moves within a fluid, is a vacuum created behind it as it moves?
- Why a high dose of vitamin C pose risk for people with G6PD deficiency?
- How would you find out what conditions are needed for a reaction to take place without experimenting physically?
- When we hear about the temperature in weather forecasts, what temperature are they referring to? And how and where do they measure it and predict its future value?
| Why aren't there "stuff" accumulated at lagrange points? Posted: 24 Jan 2022 05:58 AM PST From what I've read L4 and L5 lagrange points are stable equilibrium points, so why aren't there debris accumulated at these points? [link] [comments] |
| Why do fusion reactors use vacuums when fusion happens in the Sun under extremely high pressure? Posted: 24 Jan 2022 01:33 AM PST |
| How do hospitals use 1-day urine to determine kidney function? Posted: 24 Jan 2022 07:29 AM PST I heard about this test where patients have to collect urine for 1 day and then creatinine amount is determined (concentration x urine amount). But like how do they do this? They surely can't use a 1.5L sample. Do they just give the container a good shake and then take a small sample? And what about bacteria growth? I've heard sometimes the container has a special powder, what is this substance and what is its purpose? thanks [link] [comments] |
| Do sound waves move faster or slower depending on temperature? Posted: 24 Jan 2022 01:10 AM PST |
| Is visible light damaging to your eyes and vision, or just UV? Posted: 24 Jan 2022 02:51 AM PST I got some high-powered LED's which emit light within the visible spectrum, and I am wondering, can I do damage with these, or is it just light in the UV range which is actually dangerous? [link] [comments] |
| How do chemists predict chemical compositions and their properties? Posted: 24 Jan 2022 02:43 AM PST How do chemists predict how a chemical reaction or product will behave, I understand how and why molecules combine themselves in the structures they end up in (like H2O for example) I also understand things like the acidity, charge and reactivity of the different elements. But the thing I can't wrap my head around is how we know about the ways a certain molecule will behave, take for example table salt, it is composed of 2 individually dangerous elements but the molecule they produce in this case is completely harmless. So how do chemists predict how these compositions behave. I am a aspiring material / composite engineer (mostly self taught) [link] [comments] |
| When an object moves within a fluid, is a vacuum created behind it as it moves? Posted: 23 Jan 2022 09:34 PM PST |
| Why a high dose of vitamin C pose risk for people with G6PD deficiency? Posted: 24 Jan 2022 02:45 AM PST |
| Posted: 24 Jan 2022 08:09 AM PST Sometimes reactions only take place above or below room temperature. Maybe it needs an inert gas to prevent oxidation, maybe electrolysis is needed but if I can't find any examples online or they don't go into detail, performing a reaction would be like playing darts in the dark. So how can I find what I need to do? [link] [comments] |
| Posted: 23 Jan 2022 05:39 PM PST |
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