The life boat was patented in 1845!
29
Castor oil is used as a lubricant in jet planes.
-5
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Any modern jet is capable of breaking the sound barrier.
34
In the early 1960's, Porsche commercially manufactured farm tractors.
24
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4