The Alaska Alpine Club in Fairbanks decided to build a 132-tall ice tower. They used a rotating nozzle that sprayed water, making a kind of giant, upside down icicle. The pictures of the tower are neat, but I was even more impressed with the photos of the home made nozzles they used to make the tower. Link
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.












