It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The ball on top of a flagpole is called a 'truck'.
24
A small airplane can fly backwards.
75
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
More than a billion transistors are manufactured every second.
-25
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308