meta user
network profile
| bio | website | |
|---|---|---|
| location | Cambridge, UK | |
| age | ||
| visits | member for | 1 year, 9 months |
| seen | May 17 at 12:00 | |
| stats | profile views | 13 |
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May 17 |
comment |
Why doesn't light kill me? @MichaelBrown yep, that KDP. The properties we’re talking about are called “nonlinear optical properties” - see the links in the Wikipedia article. |
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Feb 4 |
comment |
Formation of the overlap in metal electron bands @Laurent in graphene there are electronic states that are localised between two nuclei, which is what we normally think of as a covalent bond, as well as states that are delocalised across the plane and those that are localised close to atomic nuclei. In sodium and other "typical" metals, ideally there are only delocalised states and states localised close to the nuclei, which is why we wouldn't normally describe this bonding as covalent. But at least in theory you don't have to decide beforehand what sort of bonding you have, just see what electronic states the Schrodinger equation gives you. |
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Feb 4 |
awarded | Custodian |
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Feb 4 |
reviewed | Satisfactory Relation between density and refractive index of medium |
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Dec 11 |
answered | Force through quantum mechanics |
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Dec 4 |
awarded | Caucus |
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Aug 15 |
awarded | Yearling |
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Jul 17 |
comment |
What exactly is a kilogram-meter? @dirtside Well... yes, actually, in the sense that if all you ever wanted to do was move a mass vertically in a uniform gravitational field, then you could indeed measure the work you did in kilogram-metres. Of course you need to include the gravitational acceleration with its proper units to compare to any other form of energy. But my general point is that this is useful wherever something is both proportional to mass and distance(/displacement). In this case it's energy, in in_wolfram_we_trust's excellent example it's emitted CO2. With some imagination it could be almost anything! |
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Jul 15 |
answered | What exactly is a kilogram-meter? |
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Jun 18 |
answered | Formation of the overlap in metal electron bands |
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Jun 18 |
awarded | Teacher |
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Jun 17 |
answered | What would make the bottom of my cocktail glass develop a fractured pattern like this? |
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Oct 30 |
comment |
Why does an octave on a piano have the divisions of 8 white keys and 5 black keys? To be musically pedantic: surely you mean that the E-to-C ratio has an exact counterpart in C-to-A flat! |
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Aug 15 |
awarded | Supporter |
