You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
In many countries, urine was used as a detergent for washing.
17
Women blink nearly twice as much as men.
152