A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
22
When watching a DVD press stop-stop-play-skip to skip the ads and go straight to the movie.
23
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 mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
The small pocket in the larger pocket of your jeans was designed for pocket watches.
11