Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
More than a billion transistors are manufactured every second.
-25
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
A small airplane can fly backwards.
75
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Jumbo jets use 4,000 gallons of fuel to take off.
19
