It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The IRS processes more than 2 billion pieces of paper each year.
28
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
The life boat was patented in 1845!
29