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Why is glass transparent?

Sixty Symbols
889K subscribers
1.5M views 14 years ago
Sixty Symbols regular Professor Phil Moriarty discusses transparent glass and the so-called energy gap. PS MESSAGE FROM PROF MORIARTY: "I misspoke for the last sentence of the video. What I meant to say is that the photons don't have enough energy to excite electrons across the energy gap and therefore light is transmitted. What I said was precisely the opposite, contradicting everything else in the video. Apologies for any confusion caused." More physics at http://www.sixtysymbols.com/ ...more
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Why is glass transparent?
29KLikes
1,519,903Views
2011Feb 1
Sixty Symbols regular Professor Phil Moriarty discusses transparent glass and the so-called energy gap. PS MESSAGE FROM PROF MORIARTY: "I misspoke for the last sentence of the video. What I meant to say is that the photons don't have enough energy to excite electrons across the energy gap and therefore light is transmitted. What I said was precisely the opposite, contradicting everything else in the video. Apologies for any confusion caused." More physics at http://www.sixtysymbols.com/

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Sixty Symbols

889K subscribers