Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
The face of a penny can hold about thirty drops of water.
85
If you're one in a million, there are about 7,234 people just like you.
31
In 21 U.S. states, WALMART is the single largest employer.
13
If you get water flowing fast enough, it can cut metal.
354
Recycling one glass jar, saves enough energy to watch T.V for 3 hours!
118
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12