Isothermal chart Weather forecasting Global Climate Models General Circulation Model (GCM) – a mathematical model of the general circulation of…

GPS – The Global Positioning System was first developed by the Defense Department in 1957 and became fully operational in…

Gateway Arch reflects St. Louis’ role in the Westward Expansion of the United States during the nineteenth century. It was…

Pictured: Close-up of the underside of a gecko’s foot as it walks on a glass wall. Van der Waals force…

Gasoline engine – internal combustion engine which is often used for automobiles, aircraft, small mobile vehicles such as lawnmowers or…

Giant Magellan Telescope – artist’s concept Giant Magellan Telescope (GMT), under construction in Chile, could help scientists answer big questions…

Hazardous materials (HazMat) – any substance or material could adversely affect the safety of the public, handlers or carriers during…

gaming – The act of playing a video, Internet or computer game. video game – an electronic game that involves…

Garbage (waste, trash) – unwanted and discarded materials and objects. It is often also called trash, garbage, rubbish, or junk.…

When MTBE (methyl tertiary butyl ether) was the replacement for tetraethyl lead in gasoline it solved some problems. In addition…

The Roentgens’ Berlin Secretary Cabinet (video 2:20) – hidden features and intricate interior of this cabinet. A writing cabinet with…

  Gardening is the practice of growing plants for their attractive flowers or foliage, and vegetables or fruits for consumption.…

Forces are everywhere. Forces are a push or pull on an object. They can be due to phenomena such as…