A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
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 electric chair was invented by a dentist!
122
Kleenex tissues were originally used as filters in gas masks.
46
Any modern jet is capable of breaking the sound barrier.
34
The ball on top of a flagpole is called a 'truck'.
24
Attics were invented in Attica.
43