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
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
Couples' personalities converge over time to make partners more and more similar.
235
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
The largest diamond ever found was an astounding 3,106 carats!
99
Some nursing homes in Germany have fake bus stops to keep Alzheimer's patients from wandering away.
14
A quarter has 119 grooves on its edge, a dime has one less groove!
34