Independence Day First Friday Festivities July 3, 2009

CHF, the Chemical Heritage Foundation, 315 Chestnut Street, Philadelphia, PA 19106, (215) 925 -2222. At this month's First Friday "Manual Science" event attendees can celebrate the spirit of Founding Father Ben Franklin by learning how to create electric batteries using everyday household items to generate currents. (Supplies provided.) Permanent exhibit Making Modernity and traveling exhibit sLowlife will both be open. Special July 3rd Independence Day First Friday hours 10:00 a.m. – 8:00 p.m. with demonstrations every hour from 1:00 – 7:00 p.m. For more information: http://www.chemheritage.org.