On the order of .0001 MHz (100's of Hz) is more like it. Perhaps this is just a case of "create spec writing" ... RF Jim ----- Original Message ----- From: "Brendan Moran" To: Sent: Friday, August 16, 2002 12:40 PM Subject: [EE]: light wands > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Was browsing thinkgeek www.thinkgeek.com when I came across this neat > little device. It seems to be a lightwriter, (I think I've heard > these discussed on the list before) but their description confuses me > a little. I understand the concept in principle, it's pretty simple > to build something like this (i.e. Tony's propeller clock), but this > excerpt shows the problem I have with it: > > "Fantazein has a rapidly oscillating wand carrying tiny lights > (LED's) at its tip that creates the rare display. As the wand whips > through space, the LED's shimmer at megahertz speed so that you see > their light but cannot see the wand" > > Megahertz speeds? From a mechanical oscillator? How would the > stresses not tear it appart? Or is this just miswritten? > > Regards, > - --Brendan > > -----BEGIN PGP SIGNATURE----- > Version: PGPfreeware 6.5.8 for non-commercial use > > iQA/AwUBPV05EgVk8xtQuK+BEQJgjwCg6L4rUyosVTb9EhySWedIVvqIyWwAmQFO > GADWNl/sgjsQhqTDsuQlnfs0 > =uWku > -----END PGP SIGNATURE----- > > -- > http://www.piclist.com hint: The list server can filter out subtopics > (like ads or off topics) for you. See http://www.piclist.com/#topics > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics