A small airplane can fly backwards.
75
In the early 1960's, Porsche commercially manufactured farm tractors.
24
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
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144