video thumbnail 1:41
How lasers work (in theory)

2011-12-04

[public] 2.77M views, 25.2K likes, 404 dislikes audio only

channel thumbminutephysics

How does a laser really work? It's Bose - Einstein statistics! (photons are bosons)

Check out Smarter Every Day's video showing lasers in real life: http://bit.ly/uBwhU2

Trying out a new feature: English Transcript! Let me know how it works

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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

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Intro
/youtube/video/y3SBSbsdiYg?t=0
Why do atoms emit light
/youtube/video/y3SBSbsdiYg?t=27
Photons
/youtube/video/y3SBSbsdiYg?t=38
Smarter Everyday
/youtube/video/y3SBSbsdiYg?t=70