Instructional video shows you how to make "black magic" -- crude freebase caffeine. The ingredients are ground coffee and ammonia. It sounds gross and dangerous.
(Via Unique Daily)
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