Follow
Friday, 13 June 2014 11:51

E2-47: TWINKLING STAR

e2-47a

Additional Info

  • 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
Read 596 times Last modified on Tuesday, 24 June 2014 13:56
  • 1