Even defining when the sand timer is "done" is not a real simple thing. Waiting for that very last particle to drop maynot be the best approach.Bob
You could measure of the weight of the hourglass. Phil _______________________________________________ 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.
