Any modern jet is capable of breaking the sound barrier.
34
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
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
More than a billion transistors are manufactured every second.
-25
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144


