A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
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
The number of text messages sent and received in a given day is greater than the world's population.
198
"Big Ben" in London isn't a tower, the bell inside the tower is called "Big Ben", the tower itself is called "The Elizabeth Tower".
18
A portion of the water you drink has already been drunk by someone else, maybe several times over.
170
The strangers in your dreams are actually people that you've seen in real life.
50
SONY was originally called 'Totsuken'.
70
The average American uses eight times as much fuel energy as an average person anywhere else in the world.
28