Science Source December 28, 2009 DVD

Earthquake damage, El Salvador.

Earthquake damage, El Salvador.

Satellite television. A large satellite dish is used to communicate through geostationary satellites, carrying TV, telephone and other data channels s...

Historic image of an old SMD-Technic printed circuit board.

Summer stars over a southern California landscape. Illumination by mercury and sodium street lights.

Orion rusing at dawn over the Salton Sea and Imperial Valley; photographed from the Laguna Mountains in southern California.

Lightning storm over the Wichita Moutains in Oklahoma.

Computer graphic of the Earth and a grid, with other plaents and celestial bodies.

New Zealand, Christ Church office Construction.

Space shuttle; descending pressure map.

A stack of charcoal nuggets burning.

Plastic cups, used to demonstrate birefringence, or double refraction.

USA, Northern California single Family Homes.

USA, Northern California single Family Homes.

USA, Florida, Jacksonville, Road Compacter. Caterpillar Roller used to compact line Rock Road base before Paving.

Historic image of an old electronic pen plotter. "Optical sensors determine pen type and automatically set pen pressure, height, and speed variables....

Rainbow and spruce trees ( Picea spp.) evening rainbows coincide with summer showers and long day light hours in subarctic Alaska.

Drought. Dried-up Lake Sakakawea on Missouri River in North Dakota.

United States, Pennsylvania, Wilkes Barre, street is dug up for installation of Gas Line.

United States, Virginia, Crystal City, Construction of super highway thru this suburb of Washington D.C..

Lightning over Lake Powell, Arizona during a thunder storm.

United States, Texas, Houston, Building construction.

A man works on the the TARA Tandem Mirror fusion experiment at MIT. The project ran from 1980 to 1988.

Image of an IBM PC/AT computer in front of the much larger IBM 650; photographed at the IBM museum in Binghamton, NY. The IBM 650 was the first mass-p...

A view of Death Valley, near the Cottonwood Mountains, after sunset.

Image of the Macintosh Plus, the third model in the Macintosh PC line, which was available between 1986 and 1990.

Wind-whipped trees during a typhoon in Moorea.

A bolt of lightning during a Spring thunderstorm over Sumner County, Kansas.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning, with dendrite branches, over Tucson, Arizona.

Cloud-to-Cloud and Cloud-to-Ground lightning striking over Tucson, Arizona during a summer storm.

Special effects used to show people watching Cloud-to-Ground lightning in Tucson, Arizona.

Special effects used to show Cloud-to-Ground lightning stemming from a single cloud during the afternoon in Tucson, Arizona.

Cloud-to-Ground and Cloud-to-Cloud lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground and Cloud-to-Cloud lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud to air lightning aerial discharge and display. Tucson, Arizona.

Cloud-to-Ground lightning, with dendrite branches, over Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Cloud-to-Ground lightning during a summer storm in Tucson, Arizona.

Special effect image showing a person walking through a lightning storm in Tucson, Arizona.

Lightning.