News tagged with spark lamp
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Search results for spark lamp
Solar Cells with LEDs Provide Inexpensive Lighting
Nov 09, 2009 |
4.4 / 5 (17) |
2
(PhysOrg.com) -- Of the 1.5 billion people in developing countries who do not have electricity, many rely on kerosene lamps for light after the sun goes down. But now, researchers from Denmark have designed ...
Recalls, food worries spark booming business in food safety
8 hours ago |
not rated yet |
0
Recalls of ground beef, peanut butter, and other foods have done more than raise public awareness and concern about food safety. They also are quietly fueling a boom in the market for food testing equipment ...
Look ma, no mercury in fillings!
Nov 09, 2009 |
5 / 5 (1) |
0
Tooth enamel is hardest material in the human body because it's made almost entirely of minerals. As tough as it may be, however, enamel can be broken down by bacteria, forming cavities and eventually destroying the tooth. ...
It's not just dirt!
Nov 25, 2009 |
4.2 / 5 (5) |
0
Soil is the linchpin of the environment, where atmosphere, biosphere, and hydrosphere meet. Despite that, many students see soil as "just dirt" - a place to grow plants, but nothing more. Soil science educators are challenged ...
Powerful laser sheds light on fast ignition and high energy density physics
Nov 02, 2009 |
3.8 / 5 (5) |
0
A new generation of high-energy (>kJ) petawatt (HEPW) lasers is being constructed worldwide to study high intensity laser matter interactions, including fast ignition. Fast ignition is a laser-based technique ...
Calif. requires TVs to be more energy-efficient (Update)
Nov 18, 2009 |
5 / 5 (2) |
1
(AP) -- California regulators adopted the nation's first energy-efficiency standards for televisions Wednesday in hopes of reducing electricity use at a time when millions of American households are switching ...
Mammogram guidelines spark debate over health bill
Nov 23, 2009 |
not rated yet |
0
(AP) -- Lawmakers broke along party lines on a new aspect of the health care debate Sunday as a former National Institutes of Health chief urged women to ignore guidelines that delay the start of breast cancer screenings.
Solar power generation around the clock
Nov 05, 2009 |
4.6 / 5 (29) |
15
(PhysOrg.com) -- A Californian company, SolarReserve, is developing a solar power system that can store seven hours' worth of solar energy by focusing mirrors onto millions of gallons of molten salt, allowing ...
NASA and Microsoft Allow Earthlings to Become Martians
Space & Earth / Space Exploration
Nov 17, 2009 |
5 / 5 (5) |
0
(PhysOrg.com) -- NASA and Microsoft Corp. of Redmond, Wash., have collaborated to create a Web site where Internet users can have fun while advancing their knowledge of Mars.
Nanotube defects equal better energy and storage systems
Nanotechnology / Nanomaterials
Nov 19, 2009 |
4.4 / 5 (10) |
2
(PhysOrg.com) -- Most people would like to be able to charge their cell phones and other personal electronics quickly and not too often. A recent discovery made by UC San Diego engineers could lead to carbon ...
List of search results for spark lamp
