News tagged with laser pointer

Obama team launches inaugural mobile app

Organizers unveiled the first-ever smartphone app for a US presidential inauguration on Monday, allowing users to track Barack Obama's swearing in, sign up for events and check maps for the closest toilets.

dateJan 14, 2013 in Software
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Nanoscale nonlinear light source created

Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly twice the frequency ...

dateSep 22, 2011 in Nanophysics
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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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