From: utzoo!decvax!harpo!ihnp4!stolaf!minn-ua!pmt
Newsgroups: net.cycle
Title: Re: Motor/Bi-Cyclist Beware
Article-I.D.: minn-ua.264
Posted: Thu Jan  6 00:17:57 1983
Received: Fri Jan  7 05:34:07 1983

Those gadgets are know as "headlight modulators".  They sell for an over-
inflated price ($40?), but I saw an article in a Popular Electronics not
too many months ago on how to build one.  Has anyone out there ever seen
one in use?  And does anyone know if they shorten the life of your headlight?