News articles tagged with 'light'
New on-off 'switch' triggers and reverses paralysis in animals with a beam of light
— 19 Nov 2009 17:53 | ChemistryIn an advance with overtones of Star Trek phasers and other sci-fi ray guns, scientists in Canada are reporting development of an internal on-off 'switch' that paralyses animals when... — full story
Small optical force can budge nanoscale objects
— 18 Nov 2009 12:20 | TechnologyWith a bit of leverage, Cornell researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometres. That's enough... — full story
Pushing light beyond its known limits
— 15 Nov 2009 16:16 | TechnologyScientists at the University of Adelaide have made a breakthrough that could change the world's thinking on what light is capable of... — full story
Vibrations key to efficiency of green fluorescent protein
— 12 Nov 2009 08:50 | BiologyUniversity of California, Berkeley, chemists have discovered the secret to the success of a jellyfish protein whose green glow has made it the darling of biologists and the subject... — full story
Plentiful poinsettias without PGRs
— 5 Nov 2009 11:10 | BiologyPoinsettias can be a lucrative crop for ornamental plant growers, particularly during the Christmas season. In the temperate regions of the southern hemisphere, where poinsettias are... — full story
3-D system based on optical fibre could provide new options for photovoltaics
— 3 Nov 2009 11:08 | TechnologyConverting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs... — full story
Rare space experiment gives clues about the fundamental structure of the universe
— 3 Nov 2009 10:01 | AstronomyA physics experiment using a super-fast explosion in a galaxy 7.3 billion light-years away has given scientists rare experimental evidence about the fundamental structure of space and... — full story
An exquisite container
— 2 Nov 2009 16:10 | TechnologyIn campy old movies, Lucretia Borgia swans around emptying powder from her ring into wine glasses carelessly left unattended. The poison ring is usually a confection of gold filigree... — full story
Scientists build first 'frequency comb' to display visible 'teeth'
— 30 Oct 2009 10:24 | TechnologyFinally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology (NIST)... — full story
Astronomers explore 'last blank space' on map of the Universe
— 29 Oct 2009 10:26 | AstronomyThe most distant object ever discovered is described in this week's edition of the science journal Nature... — full story