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The Idaho National Laboratory, Microcontinuum, Inc. and Patrick Pinhero from the University of Missouri are developing an exciting new technology which uses "nano-antennas" to capture solar energy. What is especially cool about this new solar technology is that it would operate both during the day and at night by using the leftover radiation after the sun goes down. Each nano-antenna is a spiral as wide as 1/25 the diameter of a human hair, meaning that many of them can be fit into a tiny space,

Zinc oxide coatings serve a variety of purposes, from LCD displays to contact lenses. For the purposes of green technology, they also could have significant impact on solar cells and even batteries. One potential problem is that in the past, the coatings were deposited at such high temperatures that they damaged the substrate they were being applied to. The University at Buffalo in New York believes that they may have found a solution to that problem by rapidly cooling the metal nanoparticles be