The first alarm clock could only ring at 4 a.m.
120
The life boat was patented in 1845!
29
The United States produces enough plastic film annually to cover the entire state of Texas.
13
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Jumbo jets use 4,000 gallons of fuel to take off.
19
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4