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Energy and the Environment
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New Solar-Cell Coating Could Enable a Major Boost in Efficiency
April 18, 2013 — Throughout decades of research on solar cells, one formula has been considered an absolute limit to the efficiency of such devices in converting sunlight into electricity: Called the ... > full story -
Distant Blazar Is a High-Energy Astrophysics Puzzle
April 18, 2013 — Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source of ... > full story -
Battery Low? Give Your Mobile Some Water
April 18, 2013 — A power source for your mobile phone can now be as close as the nearest tap, stream, or even a puddle, with the world’s first water-activated charging ... > full story -
Prototype Generators Emit Much Less Carbon Monoxide
April 17, 2013 — Portable electric generators retrofitted with off-the-shelf hardware emitted significantly lower levels of carbon monoxide, according to the results of recent ... > full story -
Super-Nanotubes: 'Remarkable' Spray-on Coating Combines Carbon Nanotubes With Ceramic
April 17, 2013 — Researchers have demonstrated a spray-on mixture of carbon nanotubes and ceramic that has unprecedented ability to resist damage while absorbing laser light. Coatings that absorb as much of the ... > full story -
What Really Makes Us Fat? Article Questions Our Understanding of the Cause of Obesity
April 16, 2013 — If we are to make any progress in tackling the obesity crisis, we have to look again at what really makes us fat, claims a new ... > full story -
NASA's Wind Mission Encounters 'SLAMS' Waves
April 16, 2013 — To tease out what happens at that boundary of the magnetosphere and to better understand how radiation and energy from the sun can cross it and move closer to Earth, NASA launches spacecraft into ... > full story -
Plasma Device Could Revolutionize Energy Generation and Storage
April 16, 2013 — Engineers have developed a method of creating and controlling plasma that could revolutionize American energy generation and ... > full story -
Small in Size, Big on Power: New Microbatteries the Most Powerful Yet
April 16, 2013 — The most powerful batteries on the planet are only a few millimeters in size, yet they pack such a punch that a driver could use a cellphone powered by these batteries to jump-start a dead car ... > full story -
Scientists Discover New Materials to Capture Methane
April 16, 2013 — Scientists have discovered new materials to capture methane, the second highest concentration greenhouse gas emitted into the ... > full story
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