The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Sony researchers have developed a refrigerator that only opens when you smile.
9
The ball on top of a flagpole is called a 'truck'.
24
Originally, Nintendo was a playing card manufacturer.
70
Castor oil is used as a lubricant in jet planes.
-5
Jumbo jets use 4,000 gallons of fuel to take off.
19

