There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
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
The life boat was patented in 1845!
29
Originally, BMW was an airplane engine manufacturer.
69
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
The electric chair was invented by a dentist!
122