News tagged with laser pointer

Manipulating light at will

Electrical engineers at Duke University have developed a material that allows them to manipulate light in much the same way that electronics manipulate flowing electrons.

dateAug 01, 2011 in General Physics
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Countering contamination for Mars spacesuits

To search for life on Mars, future astronauts would naturally want to step outside their living habitat for a walk. But the spacesuits keeping them alive might also carry Earth microbes or ingredients of life that could contaminate ...

dateJun 16, 2011 in Space Exploration
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Lasers ID deadly skin cancer better than doctors

High-resolution images from a laser-based tool developed at Duke University could help doctors better diagnose melanoma, the deadliest form of skin cancer, while potentially saving thousands of lives and millions of dollars ...

dateFeb 23, 2011 in Cancer
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