The cigarette lighter was invented before the match.
210
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
More than a billion transistors are manufactured every second.
-25
The IRS processes more than 2 billion pieces of paper each year.
28
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
The first alarm clock could only ring at 4 a.m.
120