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New light bulbs made of glowing plastic
The new lights use as little electricity as LED bulbs — and half as much as fluorescent lamps — while giving off a comfortable white light.
Mon, Dec 03 2012 at 2:14 PM
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Researchers have made a new glowing plastic material that they've formed into lights of different shapes. Here, physicist David Carroll (front) and graduate student Greg Smith (behind) with a few of their creations. (Photo: Ken Bennett/Wake Forest Univers
A new, glowing plastic material could form bright, white, energy-efficient light bulbs in various shapes, researchers have found.
Using the material, researchers are able to make everything from bulbs like the ones people use in their houses to 2-foot-by-4-foot flat sheets that glow.
The glowing panels may be coming to stores soon. Wake Forest University, where many of the light's creators are based, is working with a company to develop commercial versions of the bulbs that may go on sale as early as 2013.
The new lights use as little electricity as LED bulbs — and half as much as fluorescent lamps — while giving off a comfortable white light, the light's creators say.
"People often complain that fluorescent lights bother their eyes and the hum from the fluorescent tubes irritates anyone sitting at a desk underneath them," the light's lead researcher, David Carroll, said in a statement. Carroll is a physicist and nanotechnology researcher at Wake Forest in North Carolina. "The new lights we have created can cure both of those problems and more," he said.
The bulbs are made with a plastic material that gives off light when an electric current runs through it. Carroll and his team added carbon nanotubes to the plastic, which enabled it to give off five times more light than without nanotubes, according to a paper the researchers published in the January 2013 issue of the journal Organic Electronics. Their ideas build on a technology called field-induced polymer electroluminescence that researchers have been developing for more than a decade.
Carroll and his team worked on making large pieces of the plastic, and ensuring the lights gave off white light similar to sunlight, which people usually find more comfortable.
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If we can get all the pot growers to use these can you imagine how much less coal we would burn as apposed to those giant multiple 1000 watt light setups their using?
I'm not sure if the carbon we are made out of is actually from white dwarfs or rather from exploded stars but carbon has so much to do with our lives, extending now into lighting. If these new bulbs were to be produced cheaper, would LEDs be out of business? A very big investment in the mass production of one or the other would take business in that direction.
So much carbon made in white dwarf and other star remnants, lighting these new carbon augmented bulbs up from the ashes. Star remnants are also imbued with lots of oxygen. Us oxygen breathing carbon based lifeforms can truly be said to be made out of star dust.