An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Car airbags kill 1 person for every 22 lives that they save.
80
Whale oil was used in automobile transmissions as late as 1973.
56
The United States produces enough plastic film annually to cover the entire state of Texas.
13
The IRS processes more than 2 billion pieces of paper each year.
28
Attics were invented in Attica.
43