I am going to be at the Q?rius in room at Natural History  at May 16th from 1-3pm doing a  Carbon Dust demo.  Is there anyone in the area that might be able to give me a hand?  They have upped the numbers of drop-in attendence to something more than I can handle alone. (100+ in 2 hours)


Need to leave or subscribe to the Sciart-L listserv? Follow the instructions at