Attics were invented in Attica.
43
Whale oil was used in automobile transmissions as late as 1973.
56
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
Castor oil is used as a lubricant in jet planes.
-5
The cigarette lighter was invented before the match.
210
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
More than a billion transistors are manufactured every second.
-25