A larger than life game of Tetris appeared on the Green Building at MIT in MIT engineers used a console to allow players to move, rotate, and drop colored blocks. Tetris on the Green is the Holy Grail of MIT hacks.
The Hot Iron And Hair Dryer Holder. This is the device that clamps onto an overhanging vanity countertop and conveniently secures a hot iron or hair dryer. A gal can always use an extra hand. (Well sometimes I guess the guys do too)