There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Kleenex tissues were originally used as filters in gas masks.
46
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
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
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
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