Trivia / Knowledge

What makes the AK-47 so popular?

The AK-47 is simple, inexpensive to manufacture and easy to clean and maintain. Its ruggedness and reliability are legendary. The large gas piston, generous clearances between moving parts, and tapered cartridge case design allow the gun to endure...

How large was Ross's telescope?

In 1845, the third Earl of Ross, a wealthy amateur astronomer, built the world's largest telescope on his Ireland estate. The earl's reflecting telescope had a 72-inch metal mirror, and was suspended between two ivy-covered stone walls.