More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Kleenex tissues were originally used as filters in gas masks.
46
Jumbo jets use 4,000 gallons of fuel to take off.
19
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The first alarm clock could only ring at 4 a.m.
120
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41