Whale oil was used in automobile transmissions as late as 1973.
56
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Originally, Nintendo was a playing card manufacturer.
70
Any modern jet is capable of breaking the sound barrier.
34
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12