15 Most Famous Astronauts In the World | Of All Time

According to the Federation Aeronautique Internationale (World Air Sports Federation), individuals who fly past the altitude of 100 kilometers (the Kármán line) are astronauts. In the criteria set by the United States, that distance, however, is...

What Is A Proxy Server? Definition and Usage

A proxy server acts as a gateway between you and the internet.  It hides your real IP address from the resource server, adding an extra layer of privacy. It is mostly used for bypassing filters and censorship.  If you have ever been a part of a...

What Is Haptics? Definition And Applications

The term haptic is derived from the Greek word “haptikos”, which means a sense of touch. The sense of touch can be categorized as active and passive. Haptic is mostly associated with active touch to communicate or recognize items. It may...

What Is Ammonia? | Definition and Uses

Ammonia is a colorless gas that is produced from natural sources as well as industrial synthesis. About 175 million tons of ammonia is produced synthetically every year. More than 85% of produced ammonia is used as fertilizers and in household...

15 Fascinating Facts About Neutron Stars

Like almost everything in the universe, stars born, live their lives, and then die in the span of millions and sometimes billions of years. It took decades for researchers to identify and catalog the different types of stars, how they form, and...