Reference Article

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Light

Light is electromagnetic radiation with a wavelength that is visible to the eye (visible light) or, in a technical or scientific context, electromagnetic radiation of any wavelength.

Note: This article excerpts material from the Wikipedia article "Light", which is released under the GNU Free Documentation License.

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last updated on 2014-09-16 at 1:36 am EDT

Flying Car Could Roll (Fly?) Out in 2015

Flying Car Could Roll (Fly?) Out in 2015

Newsy (Oct. 16, 2013) A "Back to the Future"-style model is still about a decade away, but a light aircraft you can park in your garage and drive to the airport is close.
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Gravity Light Set to Illuminate the Developing World

Gravity Light Set to Illuminate the Developing World

Reuters (Feb. 5, 2013) A British company is offering a safe and efficient alternative to the dangerous kerosene lamps that are in wide use throughout the developing world. Called "Gravity light" the electric-powered device costs just five dollars, using the force of gravity to keep the lite switched on.
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Scientists Build Robot Ant Colony to Study Efficiency

Scientists Build Robot Ant Colony to Study Efficiency

Newsy (Mar. 29, 2013) US scientists have built small robots that mimic ant colony movements through light trails.
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Laser-Powered Zebedee Springs Into Action

Laser-Powered Zebedee Springs Into Action

Reuters (Apr. 30, 2013) Researchers at Australia's CSIRO have developed a hand-held, spring-loaded laser scanner that can produce three-dimensional maps with unprecedented speed and accuracy. Called Zebedee after a French, spring-propelled television puppet of the sixties, the scanner fires laser light, giving surveyors and archaeologists a powerful new tool for discovery.
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