News tagged with illumination

This spot on Mercury (almost) never goes dark

Mercury, traveling in its 88-day-long orbit around the Sun with basically zero axial tilt, has many craters at its poles whose insides literally never see the light of day. These permanently-shadowed locations have been found ...

dateApr 26, 2013 in Space Exploration
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Billion people invited to switch off lights

Around a billion people living in the world's major cities are being invited to turn off their lights at 8:30 p.m. local time on Saturday for "Earth Hour," described as the biggest mass campaign to demand action on climate ...

dateMar 26, 2009 in Environment
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Plasmonics: Growth lamps for nanoparticles

Just as gardeners can use 'growth lamps' to stimulate plant growth, materials scientists can now promote uniform growth of decahedron-shaped silver nanoparticles while they are in solution. These 10-faced solids, only tens ...

dateOct 10, 2012 in Nanophysics
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