Gareth of Make Online says: "Oh my gawd, this is hysterical. These guys launched their Christmas tree on 32 rocket engines. The launch is glorious."
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects