The first alarm clock could only ring at 4 a.m.
120
Mico headphones read your brainwaves and select music based on your state of mind.
7
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The average car produces a pound of pollution every 25 miles!
18
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
87
