Excellent short video shows the results. Supercooled beer turns solid on camera when bottle is knocked. http://www.youtube.com/watch?v=SfkHS_58yvs (I post this here because it is physics related. honest) Peter P. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist