The average car produces a pound of pollution every 25 miles!
18
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Originally, BMW was an airplane engine manufacturer.
69
Attics were invented in Attica.
43
The first alarm clock could only ring at 4 a.m.
120
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


