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Greg Bernhardt

Schlieren Optics

Demonstration of an optical technique that allows us to see small changes in the index of refraction in air. A point source of light is reflected from a conc...

Greg Bernhardt, Dec 8, 2016
Karin Rodrigues likes this.
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      Very cool, I've seen a lot of this imaging in stills from NASA but never in video format.
    • Narayanan KR
      why is when empty bottle poured causes gas like image....what is it ??? Air inside bottle?
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    Greg Bernhardt
    Dec 8, 2016
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