Jumbo jets use 4,000 gallons of fuel to take off.
19
Kleenex tissues were originally used as filters in gas masks.
46
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Whale oil was used in automobile transmissions as late as 1973.
56
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7