Castor oil is used as a lubricant in jet planes.
-5
Whale oil was used in automobile transmissions as late as 1973.
56
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Originally, BMW was an airplane engine manufacturer.
69
A small airplane can fly backwards.
75
Google founders Sergey Brin and Larry Page have expressed their desire to see the search engine become artificial intelligence itself. To achieve that goal, they created the highly-protected “X lab.”
-7
The United States produces enough plastic film annually to cover the entire state of Texas.
13

