A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
A small airplane can fly backwards.
75
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
Any modern jet is capable of breaking the sound barrier.
34
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Originally, BMW was an airplane engine manufacturer.
69


