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
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Originally, Nintendo was a playing card manufacturer.
70
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Sony researchers have developed a refrigerator that only opens when you smile.
9