The first alarm clock could only ring at 4 a.m.
120
More than a billion transistors are manufactured every second.
-25
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
Google founders Sergey Brin and Larry Page have expressed their desire to see the search engine become artificial intelligence itself. To achieve that goal, they created the highly-protected “X lab.”
-7
Attics were invented in Attica.
43
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2