A vacuum is defined as a space devoid of matter. Atomism, a ancient Greek school of philosophy which flourished about 400 B.C., held that a vacuum was an essential part of nature in which atoms--the discreet, indestructible units of matter--could...

Vacuum is a term that describes conditions where the pressure is lower than that of the atmosphere. A sealed container is said to be "under vacuum" in this case whereas it is "pressurized" when the pressure is higher than atmosphere. In a vacuum, it...

A vacuum is a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than standard atmospheric pressure. The Latin term in vacuo is used to describe an object as being in what would otherwise be a vacuum. The...

Stick vacuums have made quite a splash in recent years as several new models have been developed and consumer demand grows. These lightweight machines are often purchased as an accessory vacuum -- one meant to complement existing household uprights and canisters. But...

Consumers tired of munching into stale chips or watching their fresh foods spoil quickly are turning more and more often to vacuum sealers as a solution to their problems. Thanks to a successful use of infomercials, vacuum sealers have become a popular way...

Nearly five years after rolling onto the market, the Roomba vacuum cleaner has undergone a ground-up redesign that has endowed the otherwise-brainy robot with the smarts to overcome rug tassels and electrical cords.The fifth generation of the Roomba also has sturdier moving parts and improved...

A dinosaur with a strange jaw designed to hoover-up food grazed in what is now the Sahara Desert 110 million years ago. Remains of the creature that "flabbergasted" paleontologist Paul Sereno went on display Thursday at the headquarters of the National Geographic Society, where they...