7F10.40 - Head Light Effect

Photo Credit - http://web-docs.gsi.de/~wolle/EB_at_GSI/GE_DETECTOR/DOPPLER/headlight.jpg
Code Number:
7F10.40
Demo Title:
Head Light Effect
Condition:
Excellent
Principle:
Relativity and the Speed of Light
Area of Study:
Modern Physics
Equipment:
Flashlight.
References:
  • Adam Neat, "An Intuitive Approach to Cosmic Horizons", TPT, Vol. 57, #2, Feb. 2019, p. 80.
  • Gerd Kortemeyer, Jordan Fish, Jesse Hacker, Justin Kienle, Alexander Kobylarek, Michael Sigler, Bert Wierenga, Ryan Cheu, Ebae Kim, Zach Sherin, Sonny Sidhu, and Phillip Tan, "Seeing and Experiencing Relativity - A New Tool for Teaching?", TPT, Vol. 51, #8, Nov. 2013, p. 460.
  • David Green, "The Strange World of Classical Physics", TPT, Vol. 48, #2, Feb. 2010, p. 101.
  • Joseph A. Spizuoco, "The Simultaneity of  Relativistic Pitchforks", TPT, Vol. 31, #9, Dec. 1993, p. 552.
  • Edwin F. Taylor, "Light Propagation", TPT, Vol. 25, #4, Apr. 1987, p. 252.
  • N. David Mermin, "The Amazing Many Colored Relativity Engine", AJP, Vol. 56, #7, July 1988, p. 600.
  • Peter D. Noerdlinger, "Cylindrical Cardboard Model for a Rotating System in Special Relativity", AJP, Vol. 47, #3, March 1979, p. 218.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.