E2-47: TWINKLING STAR

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12 years 3 days ago - 11 years 11 months ago #405 by zzfixk23
E2-47: TWINKLING STAR was created by zzfixk23




ID Code: E2-47
Purpose: Show how air currents cause the "twinkling" of a star.
Description: A laser beam is directed on a distant wall or screen. When the heater is positioned below the laser beam, hot air convection currents and density changes cause the beam to move continuously, or "twinkle."
Availability: Available
Last edit: 11 years 11 months ago by zzfixk21.

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