Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
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 IRS processes more than 2 billion pieces of paper each year.
28
A small airplane can fly backwards.
75
Castor oil is used as a lubricant in jet planes.
-5
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12