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Summary: Built-in LED lights provide extra illuminance when reading in dark space. High clarity optical double-layered lenses offer distortion-free vision 30X magnification. The folding design allowsthe magnifying glass to stand on a flat surface. Powered by included USB cable or 3 AAA batteries.

Format: three dimensional object

Publisher / Publication Date: 2000

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Summary: Meromore 30X magnifying glass are made from double layer of high quality optical glass for improved clarity and improved scratch resistance. This handheld reading magnifier has a 4" lens for a wider field of view. Equipped with super bright 18 LEDs, you can switch between 3 lighting modes (cold, warm and mixed) to meet different lighting conditions. Reduces visual fatigue, Meromore magnifying...

Format: three dimensional object

Publisher / Publication Date: Meromore 2024

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Summary: The speed of light is constant in a vacuum-but what about in the everyday world? This collection of 23 computer-animated video shorts examines the behavior of light as it passes through physical substances. Outlining Ptolemy's Law of Refraction and the concept of angle of incidence, the program examines light's motion through air, water, glass, and other media. Snell's Law, highlighting the...

Format: software, multimedia

Publisher / Publication Date: Films Media Group 2007

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