## Fwd = Speed of Light

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• Forwarded by: fwestra@hetnet.nl (Frits Westra) Originally from: Internet Scout Project Original Subject: The NSDL Scout Report for the
Message 1 of 1 , Oct 6, 2002
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Forwarded by: fwestra@... (Frits Westra)
Originally from: Internet Scout Project <scout@...>
Original Subject: The NSDL Scout Report for the Physical Sciences -- October 4, 2002
Original Date: Fri, 4 Oct 2002 15:19:16 -0500 (CDT)

========================== Forwarded message begins ======================

Speed of Light

1. Everyday Physics: What is the Speed of Light?
http://www.whatwhyweb.com/physics/speed_of_light.htm
2. The Light Stuff
http://www.pbs.org/wgbh/nova/einstein/hotsciencelight/
3. Speed of Light
http://www.what-is-the-speed-of-light.com/
4. Usenet Physics FAQ
http://math.ucr.edu/home/baez/physics/
5. Speed of Light
6. Relativity Calculator
http://www.1728.com/reltivty.htm
7. Lesson Plan: Speed of Light
http://www.cnn.com/2000/fyi/teacher.resources/lesson.plans/08/21/speed.light/
8. Tour: Discover Light's Mysteries
http://cse.ssl.berkeley.edu/light/light_tour.html

The first site offered by What Why Web is entitled Everyday Physics: What is
the Speed of Light? (1) The one page site describes the definition of the
speed of light, how it changes passing through various medium, its
historical significance, and what symbol is used for the speed of light in a
vacuum. The next site from the NOVA online Einstein Revealed Web site is
called The Light Stuff (2). Visitors can compare the time it would take to
travel at the speed of light to various places, find objects in "Joe's Room"
that slow down light, and try the Time Traveler Game which shows how time
changes if you could travel very quickly. The third Web site, Speed of Light
(3) offers a historical timeline of measuring the speed of light and various
quizzes geared to students. Next, from the University of California at
Riverside Department of Mathematics comes the Usenet Physics FAQ (4) Web
site. Under the Relativity and Cosmology heading are several speed of light
topics including: is the speed of light constant, why is it so high, is
there an equivalent of the sonic boom for light, and more. The fifth site,
which is maintained by the University of Colorado at Boulder is entitled
Speed of Light (5), and has a unique interactive feature. Users can vary an
electromagnetic wavelength, which travels at the speed of light, to
calculate the distance it travels and time it takes to return to its
original location. The 1728 Software Systems Web site, Relativity Calculator
(6), offers a similar conversion applet which shows the changes that occur
when objects approach the speed of light. After reading the theory behind
it, follow the directions and play around with the calculator to see some of
the surprising results. Offered by CNN.fyi.com, the Speed of Light Lesson
Plan (7) site teaches students how the NEC Research Institute was able to