If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
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 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The New York Stock Exchange started as a coffee shop!
99
Seaweed can grow up to 12 inches per day!
59
There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266