News tagged with electric lighting
Researchers develop technique to keep cool high-power semiconductor devices used in wireless applications, electric cars
A group of researchers at the University of California, Riverside Bourns College of Engineering have developed a technique to keep cool a semiconductor material used in everything from traffic lights to electric cars.
May 08, 2012 |
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Two stopped light pulses interact with each other
(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...
May 08, 2012 |
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Creating energy from light and air
Researchers from the University are studying how to make electricity from electrodes coated in bacteria, and other living cells, using light or hydrogen as the fuel.
Technology / Energy & Green Tech
May 08, 2012 |
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Folding light: Wrinkles and twists boost power from solar panels
Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.
Apr 27, 2012 |
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Rebates to cut price of $60 LED bulb
(AP) -- How much would you pay for an amazing, state-of-the-art light bulb? Shoppers will be asking themselves that very question at Home Depot and other outlets starting Sunday - Earth Day - when the bulb ...
Technology / Energy & Green Tech
Apr 16, 2012 |
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Low-temperature method 'grows' transparent zinc oxide films for use in displays, solar cells
The displays on flat-screen TVs and smartphones, as well as the panels on solar cells, all require materials that not only conduct electricity but are also highly transparent to visible light. One transparent ...
Apr 12, 2012 |
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Rare earth metals: Another challenge for the green economy?
If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not ...
Technology / Energy & Green Tech
Apr 03, 2012 |
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An optical diode made with silicon technology can be used for quantum information
(PhysOrg.com) -- Transistors, resistors, capacitors, and diodes. All of these are examples of common electrical circuit elements that can be found on a computer motherboard, for instance. Billions of transistors ...
Mar 23, 2012 |
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UK scientists develop optimum piezoelectric energy harvesters
Scientists working as part of the Metrology for Energy Harvesting Project have developed a new model to deliver the maximum power output for piezoelectric energy harvesters.
Mar 02, 2012 |
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Generating electricity from vibrations in road surface works
A pilot research project into vibration energy on the N34 provincial motorway near Hardenberg in the eastern Netherlands has shown that vibration energy as a local energy source is a sustainable alternative ...
Technology / Energy & Green Tech
Mar 01, 2012 |
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Developing sustainable power
The invention of a long-lasting incandescent light bulb in the 19th century spurred on the second wave of the industrial revolution, illuminating homes, extending leisure time and bringing us to the point today where many ...
Technology / Energy & Green Tech
Feb 28, 2012 |
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ORNL finding has materials scientists entering new territory
Solar cells, light emitting diodes, displays and other electronic devices could get a bump in performance because of a discovery at the Department of Energy's Oak Ridge National Laboratory that establishes new boundaries ...
Feb 21, 2012 |
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'Artificial leaf' eyed as holy grail in energy research
Turbo-charging photosynthesis -- by which plants and bacteria turn sunlight into food and energy -- in an "artificial leaf" could yield a vast commercial power source, scientists said.
Technology / Energy & Green Tech
Feb 20, 2012 |
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Novel link between optical fibers, nanometer-scale silicon structures could aid development of integrated optical circui
Silicon is a unique material that has revolutionized electronics; it enables engineers to put millions of electrical devices onto a single chip. Replacing the electrical currents in this technology with beams ...
Feb 17, 2012 |
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$8.5 million research initiative will study best approaches for quantum memories
The U.S. Air Force Office of Scientific Research (AFOSR) has awarded $8.5 million to a consortium of seven U.S. universities that will work together to determine the best approach for generating quantum memories ...
Feb 15, 2012 |
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