The cigarette lighter was invented before the match.
210
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Castor oil is used as a lubricant in jet planes.
-5
Originally, BMW was an airplane engine manufacturer.
69
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Any modern jet is capable of breaking the sound barrier.
34
Energy is being wasted if a toaster is left plugged in after use.
21