I think one classic way to measure the speed of light is to build a resonant microwave cavity. Measure the physical dimensions VERY accurately and then measure the resonant frequency.
On Sun, Jun 23, 2013 at 4:41 PM, Bob Camp <[email protected]> wrote: > Hi > > Pulse -> (fast) LED > LED -> splitter > splitter -> 2 (fast) photo diodes > > Start with the diodes in the same plane, calibrate out the systematic > delays. Likely with a deliberate offset (coax cable length). > > Move one detector and note the change in time. Distance would be highly > dependent on how fast your LED is and how fast your detectors are. > > Bob > > On Jun 23, 2013, at 7:03 PM, Jim Palfreyman <[email protected]> wrote: > > > Hi all, > > > > With a 3325B, a 5370B, and other time-nut miscellany, what's the quickest > > way you can come up with to measure the speed of light OR reproduce the > > metre. > > > > I've got some ideas, but I'd like others' thoughts. > > > > Jim > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > -- Chris Albertson Redondo Beach, California _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
