News tagged with free
Lasers used to make first boron-nitride nanotube yarn (w/ Video)
Nanotechnology / Nanomaterials
Dec 02, 2009 |
4.8 / 5 (15) |
2
(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 ...
Elusive 'hot' electrons captured in ultra-thin solar cells
Dec 11, 2009 |
4.5 / 5 (12) |
3
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 ...
Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)
Dec 22, 2009 |
4.8 / 5 (6) |
0
Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...
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 ...
Study: States need economic freedom to benefit from natural resources
Dec 18, 2009 |
2.3 / 5 (3) |
1
(PhysOrg.com) -- States with small governments, low taxes and labor market freedom enjoy greater benefits from natural resource development than states with large and intrusive government policies, according to a new study ...
Poor being turned away from free cancer screenings
Dec 13, 2009 |
3 / 5 (2) |
3
(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 ...
Shopping study: Do free samples really make you buy products?
Dec 14, 2009 |
4 / 5 (1) |
0
(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 ...
