Mico headphones read your brainwaves and select music based on your state of mind.
7
A small airplane can fly backwards.
75
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Castor oil is used as a lubricant in jet planes.
-5
Energy is being wasted if a toaster is left plugged in after use.
21
The average car produces a pound of pollution every 25 miles!
18
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Any modern jet is capable of breaking the sound barrier.
34