The power of the first lasers was measured by the number of razor blades the laser beams could pass through.
The last US state to introduce mandatory photo on the driver's license was New York, 1984.
Mammoths became extinct 1,000 years after Egyptians completed the construction of the pyramids.
In 1898 Nikola Tesla successfully demonstrated a “ship with a remote control” as a continuation of the research on radio frequency.
The grapes Roman Ruby is the most expensive grapes in the world. One grape will cost you 30$.
It takes no more than 20 moves to solve the Rubik’s Cube.
