You might try the Society of Amateur Scientists at: http://www.soamsci.org/index.html
There is also the Science Madness BBS, although they lean heavily toward chemistry:
http://www.sciencemadness.org/talk/index.php 73, Bob Weiss N2IXK _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.