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
If you had 10 billion $1 notes and spent one every second of every day, it would require 317 years for you to go broke.
109
A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
There are 2,500,000 rivets in the Eiffel Tower.
98
It has been calculated that every 2 minutes, we take more pictures than all of humanity in the 19th century.
13
Most of the dust underneath your bed is actually your own dead skin.
251
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
The worlds oldest piece of chewing gum is over 9000 years old!
122