Schlieren Optics
2,717
by Super User, 7 years ago
Seen here are the heated gases from a candle flame and a hair dryer, helium gas, and sulfur hexafluoride gas.
For more information on our setup please see
http://sciencedemonstrations.fas.harvard.edu/presentations/schlieren-optics
Note that this version of the setup uses a white LED flashlight instead of an automotive light bulb.
Thanks for watching!
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Super User uploaded a new media, Schlieren Optics
7 years ago