Brownian motion: Smoke particles viewed using TV camera.

Brownian motion: Smoke particles magnified on TV camera. Smoke is drawn into a small chamber with a squeeze bulb. A laser beam shines through a small window and illuminates the smoke. A x10 microscope objective focuses the smoke particles onto the CCD of the video camera, and the image is sent to the T.V. Monitor. A goniometer is used to accurately target the smoke cell with the laser beam. One way to get the smoke is to light a match, then blow it out... KINETIC THEORY AND GAS MODELS
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