The Start Of Calculating Time

Refrigeration is the action of creating cooling conditions by removing heat. It is used for preserving food by slowing bacteria growth.

• Around 1000BC, the Chinese used to cut and store ice.
• Five hundred years later, the Egyptians and Indian...

Though 1972’s Pong has often been credited as the first popular video game, the mantle goes to Tennis For Two, which was created by a nuclear physicist, William Higinbotham, in 1958.

The primitive game was a sideways view of a tennis court, with the ball moving back and f...

• Before video-chat and long-distance phone calls, written correspondence was used to exchange meaningful information. The goal was to write about the most important things that had happened since the last letter.
• Although the telephone was invented in the mid-19th century, it was on...