The life boat was patented in 1845!
29
Any modern jet is capable of breaking the sound barrier.
34
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
A small airplane can fly backwards.
75
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Attics were invented in Attica.
43
The cigarette lighter was invented before the match.
210