OK, I admit it, this is pretty boring. But you folks are the only
people I can think of who might possibly respond to this with something
other than a glazed look and the question, "You did what? Uh ... why?"
The answer, of course, is "just cause I wanted to see for myself".
Basement measurement of the speed of an EM wave (sorry, it's not really
_light_, just a wave in a wire):
http://www.physicsinsights.org/speed_of_light_1.html
Home office measurement of the speed of sound:
http://www.physicsinsights.org/speed_of_sound_1.html