Car airbags kill 1 person for every 22 lives that they save.
80
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The ball on top of a flagpole is called a 'truck'.
24
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
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
The life boat was patented in 1845!
29
More than a billion transistors are manufactured every second.
-25
Originally, BMW was an airplane engine manufacturer.
69