In one of the most iconic “hacks” ever, MIT students spent years planning how to turn the Green Building (Building 54) into a 21-story, color-changing, fully playable game of Tetris. They used 150 color-changing LED lights in the windows, and players control the blocks from a console in front of the building, moving and rotating them in real time. At MIT, a “hack” is a clever, complex, and usually anonymous prank. True hacks are like New England weather — unpredictable — so it usually appears ov