Hi Graham, Not sure about the first part, but the device is called a radiometer.
http://radiometer.hobbytron.com/Radiometer.html http://science.howstuffworks.com/question239.htm Greg Graham Bentley said: > Is there a way to create a hdd resore solution with > set of boot floppies that will support my tape drive > access the tape and restore the entire hard disc in > case of disc failure disaster ? ie So I could install > a new disc and be up and running without doing any > additional admin? I guess like a 'ghost' for scsi tape ? > > Any advice / links etc apperciated. > > Also .... > > Description: Glass bulb, similar to light bulb but with > narrow end flared at bootom so it standsup. Inside, > a rotating wire device that has 4 squares of card like > material attached, like vanes. > > One one side they are black on the other they are white. > When the sun shines brightly enough, the white side reflects > the light energy and the black side absorbs it. The vanes > spin around. > > This does exist and has a name and I know there are > some very knowledgeable people on this list who will > know. > > Whats it called..... please !!! > _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"