Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Jumbo jets use 4,000 gallons of fuel to take off.
19
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
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
Kleenex tissues were originally used as filters in gas masks.
46