It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Kleenex tissues were originally used as filters in gas masks.
46
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Any modern jet is capable of breaking the sound barrier.
34
More than a billion transistors are manufactured every second.
-25
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16