Kleenex tissues were originally used as filters in gas masks.
46
Mico headphones read your brainwaves and select music based on your state of mind.
7
The ball on top of a flagpole is called a 'truck'.
24
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
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25