In snowy mountain areas, avalanches occur, we all know this, but does the same happen in the desert on high dunes? |
- In snowy mountain areas, avalanches occur, we all know this, but does the same happen in the desert on high dunes?
- Is there any study on measuring IQ before starting and after finishing college/university (math, physics, computer sicence)?
- Is there any scientific relation between a neon color and the element neon?
- Are the minerals on Earth expected to be universal?
- Why do you sometimes temporarily lose your hearing when yawning?
- Why don't we on Earth feel a centrifugal force?
- In OES spectroscopy is adding an inert nonreactive species (actinometry) the only way to get concentration of species?
- Why does a battery's charge get lower and lower and provide less and less energy instead of instantly running out while providing full power?
- How are cell samples maintained to ensure quality over years or even decades?
- How do scientists go about estimating the number of a certain animal/species left in the world?
- How are magnetic fields measured from a distance in astronomy?
- How Big Can a Synthetic Diamond Be?
- Why is gold(79) rarer than lead(82)?
- What theory or theories was between the old 4 elements (earth, fire, wind, and water) and the modern periodic table?
- How do humans get through the Van Allen belts?
| Posted: 03 Mar 2019 05:45 AM PST |
| Posted: 02 Mar 2019 01:49 PM PST |
| Is there any scientific relation between a neon color and the element neon? Posted: 02 Mar 2019 06:24 PM PST For example, was "neon" (color) originally caused by something involving the element neon? Or something similar? Or could it just be English being wierd/ a different unrelated reason? [link] [comments]  |
| Are the minerals on Earth expected to be universal? Posted: 02 Mar 2019 06:44 PM PST Do we expect to find things like granite and quartz and hematite and emeralds and stuff on similarly sized rocky planets? Are there common minerals on Earth and Mars, for instance? Or are there too many variables in the elemental makeup of planets, pressure, temperature, etc., that this would be unlikely? Can we make any inferences about minerals found on other planets remotely, via spectroscopy or clever modeling or anything? [link] [comments]  |
| Why do you sometimes temporarily lose your hearing when yawning? Posted: 02 Mar 2019 11:53 AM PST Edit: more of an impairment that a complete loss of hearing, I can still hear it's just muffled and quite. [link] [comments]  |
| Why don't we on Earth feel a centrifugal force? Posted: 02 Mar 2019 05:27 PM PST |
| Posted: 02 Mar 2019 05:07 PM PST Doing OES spectroscopy on a plasma etching reaction and the grad students don't want to change the gas lines to put some argon in (or something like that) so I can find concentrations. They're giving me some other mass balance equations for pure species that will react e.g HCL. I don't see how it will work since the intensities are relative -- I feel like I have to have an internal reference point in order to do this... [link] [comments]  |
| Posted: 02 Mar 2019 12:40 PM PST |
| How are cell samples maintained to ensure quality over years or even decades? Posted: 02 Mar 2019 10:10 AM PST There are multiple samples of cells that are used for research that were harvested years and years ago. How are we certain that these are of appropriate experimental quality, especially when we know that telomeres on cell DNA degrade after repeated divisions? What methods are employed in preservation and quality control of the cell samples to ensure any mutations do not affect the sample? [link] [comments]  |
| How do scientists go about estimating the number of a certain animal/species left in the world? Posted: 02 Mar 2019 09:35 AM PST |
| How are magnetic fields measured from a distance in astronomy? Posted: 02 Mar 2019 10:52 AM PST i was lucky enough to witness a presentation and ask questions to a guy who worked with the Hershel space telescope. During the presentation, he was talking about the magnetic field in jets of quasars and how the structure of the pillars of creation are held together by a magnetic field based on the polarisation. The way it was put across, didn't sound like it was just theories. So coming away from this, i cant exactly think how electromagnetic fields are measured from a distance. [link] [comments]  |
| How Big Can a Synthetic Diamond Be? Posted: 02 Mar 2019 10:55 AM PST While I am sure that the "theoretical limit" might be practically infinite, but what is the practical limit? [link] [comments]  |
| Why is gold(79) rarer than lead(82)? Posted: 02 Mar 2019 08:33 AM PST Gold has been been always considered as a very valuable thing in all of human history. And it is always said that it comes from its rarity. But it is very often said that the more an element got protons the rarer it is in the universe. So why lead with its 82 protons is so much cheaper than gold with its 79 protons? Sorry if the my text contain mistakes I'm not a native speaker. [link] [comments]  |
| Posted: 02 Mar 2019 10:23 AM PST I hope this is the right sub for this question. There's a missing gap in my knowledge between when those four elements were thought of and when the modern periodic table came into existence. When did those old four elements lose favour? What was thought or theorized between these two theories? I remember Newton was trying various alchemy things, was he in a way trying to figure out the elements? [link] [comments]  |
| How do humans get through the Van Allen belts? Posted: 02 Mar 2019 09:47 AM PST I've seen a lot of scientists say we can't get through the Van Allen belts... so if we can't get through them now how did they in 1969? [link] [comments]  |
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