Castor oil is used as a lubricant in jet planes.
-5
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
The first alarm clock could only ring at 4 a.m.
120
More than a billion transistors are manufactured every second.
-25
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
A small airplane can fly backwards.
75