Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
The cigarette lighter was invented before the match.
210
More than a billion transistors are manufactured every second.
-25
A small airplane can fly backwards.
75
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Energy is being wasted if a toaster is left plugged in after use.
21
The first alarm clock could only ring at 4 a.m.
120
