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 normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
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
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The ball on top of a flagpole is called a 'truck'.
24
Kleenex tissues were originally used as filters in gas masks.
46
Whale oil was used in automobile transmissions as late as 1973.
56
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47