Extremely high pressured water can easily cut through a steel beam.
51
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 chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The Main Library at Indiana University sinks over an inch every year because when it was built, engineers failed to take into account the weight of all the books that would occupy the building.
240
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
Anuptaphobia is the fear of staying single.
11
There are 635,013,559,599 possible hands in a game of bridge.
39
When glass breaks, the cracks move faster than 3,000 miles per hour.
47