“Green” means environmentally friendly and sustainable. Green chemistry creates products and processes that are safer and cleaner — from the…
Golden Ration
The Fibonacci sequence (also known as the Golden Ratio) has interested mathematicians, artists, designers, and scientists for centuries. The Fibonacci…
Grace Hopper
Grace Hopper – (December 9, 1906 – January 1, 1992) – an American computer scientist and United States Navy Rear…
gold mining
U.S. EPA Mercury Capture System (video 4:59) – a solution to the severe health risks caused by mercury emissions from…
Google Science Fair
Google Science Fair participants information – entry outline Make Better Generator 2016 Rules – placing the Entries into a Category:…
glide angle
from Middle : : Aerospace Technology To investigate glide angle, experiment with a straw rocket. Design a rocket and experiment with angle-of-attack…
global climate model
Isothermal chart Weather forecasting Global Climate Models General Circulation Model (GCM) – a mathematical model of the general circulation of…
Global Positioning System (GPS)
GPS – The Global Positioning System was first developed by the Defense Department in 1957 and became fully operational in…
St Louis Gateway Arch
Gateway Arch reflects St. Louis’ role in the Westward Expansion of the United States during the nineteenth century. It was…
gecko grippers
Pictured: Close-up of the underside of a gecko’s foot as it walks on a glass wall. Van der Waals force…
gasoline engine
Gasoline engine – internal combustion engine which is often used for automobiles, aircraft, small mobile vehicles such as lawnmowers or…
generator
Crank up some electricity How much electrical power can You generate Turn the crank and push and hold the switches…
Giant Magellan Telescope
Giant Magellan Telescope – artist’s concept Giant Magellan Telescope (GMT), under construction in Chile, could help scientists answer big questions…
hazardous material
Hazardous materials (HazMat) – any substance or material could adversely affect the safety of the public, handlers or carriers during…
game mechanics
gaming – The act of playing a video, Internet or computer game. video game – an electronic game that involves…
