Sculpting in Solid Mercury, with Liquid Nitrogen (Popsci.com + BB Video)

READ HOW IT'S DONE HERE! ( www.popsci.com ) Boing Boing Video teams up with PopSci and Theo Gray ( MAD SCIENCE author) for an eerily beautiful science experiment -- how to cast solid, if fleeting, shapes from normally liquid mercury -- just keep it at 320 degrees below zero, with liquid nitrogen. Snip from Theo's experiment, documented in this video: "What you consider solid, liquid or gas depends entirely on where you live. For example, men from cold, cold Mars might build their houses out ...