News tagged with free
Elusive 'hot' electrons captured in ultra-thin solar cells
Dec 11, 2009 |
4.5 / 5 (12) |
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Boston College researchers have observed the "hot electron" effect in a solar cell for the first time and successfully harvested the elusive charges using ultra-thin solar cells, opening a potential avenue to improved solar ...
Poor being turned away from free cancer screenings
Dec 13, 2009 |
3 / 5 (2) |
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(AP) -- As the economy falters and more people go without health insurance, low-income women in at least 20 states are being turned away or put on long waiting lists for free cancer screenings, according ...
New structure could produce efficient semiconductor laser sources
Dec 14, 2009 |
4.7 / 5 (3) |
1
(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...
Shopping study: Do free samples really make you buy products?
Dec 14, 2009 |
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(PhysOrg.com) -- As you do your holiday shopping this year, you'll probably encounter plenty of free sample stands at the big warehouse stores and grocery stores. Common sense might tell you that eating a bunch of samples ...
Lasers used to make first boron-nitride nanotube yarn (w/ Video)
Nanotechnology / Nanomaterials
Dec 02, 2009 |
4.8 / 5 (14) |
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(PhysOrg.com) -- Researchers have used lasers to create the first practical macroscopic yarns from boron nitride fibers, opening the door for an array of applications, from radiation-shielded spacecraft to ...
Road rage: Fuel vapor heightens aggression
Nov 24, 2009 |
4.5 / 5 (4) |
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Outrageous prices may not be the only thing causing anger at the petrol pumps. A new study, published in the open access journal BMC Physiology, has shown that rats exposed to fumes from leaded and unleaded gasoline become ...
Tapering a Free-Electron Laser to Extract More Juice
Nov 20, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Researchers from the NSLS and Science Applications International Corporation (SAIC) have demonstrated a technique that could be used to significantly improve the quantity and quality of light ...
UN: Fight climate change with free condoms
Nov 18, 2009 |
2.9 / 5 (12) |
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(AP) -- The battle against global warming could be helped if the world slowed population growth by making free condoms and family planning advice more widely available, the U.N. Population Fund said Wednesday.
Tiny particles can deliver antioxidant enzyme to injured heart cells
Nov 16, 2009 |
5 / 5 (2) |
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Researchers at Emory University and the Georgia Institute of Technology have developed microscopic polymer beads that can deliver an antioxidant enzyme made naturally by the body into the heart.
EMI music videos, concerts coming to Hulu.com
Nov 18, 2009 |
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EMI Music announced Wednesday it will offer free music videos and concerts on Hulu.com, making it the first major label to strike a deal with the increasingly popular US-based online video site.
UN demands removal of China poster at Net event
Nov 16, 2009 |
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(AP) -- United Nations officials forced free-speech advocates to take down a poster over its reference to China's Web restrictions at an Internet conference focused on freedom, saying Monday that it violated a ban on posters ...
