A small airplane can fly backwards.
75
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
Google founders Sergey Brin and Larry Page have expressed their desire to see the search engine become artificial intelligence itself. To achieve that goal, they created the highly-protected “X lab.”
-7
The ball on top of a flagpole is called a 'truck'.
24
Jumbo jets use 4,000 gallons of fuel to take off.
19