liquid-nitrogen-ping-pong-balls-explosion Sept 26, 2012 23:16:06 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Helen Dagner on Sept 26, 2012 23:16:06 GMT -5 www.huffingtonpost.com/2012/09/26/liquid-nitrogen-ping-pong-balls-explosion_n_1914973.html?ncid=webmail17 Liquid Nitrogen & Ping Pong Balls: Explosion Showcased In Classroom VIDEO
liquid-nitrogen-ping-pong-balls-explosion Sept 27, 2012 0:14:05 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Helen Dagner on Sept 27, 2012 0:14:05 GMT -5