E2-47: TWINKLING STAR
- 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
- References: http://lecdem.physics.umd.edu/images/refs/refse.htm#E2-47
- Loc codes: FS1, I0