It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Attics were invented in Attica.
43
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12