The first alarm clock could only ring at 4 a.m.
120
Whale oil was used in automobile transmissions as late as 1973.
56
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The ball on top of a flagpole is called a 'truck'.
24