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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,

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From what I have heard, the efficiency of solar cells is at best about 40 percent or so. That is not good enough at current manufacturing costs to make it possible for the technology to compete with other forms of power that consumers can purchase. So, either the efficiency must increase or the cost to produce the cells must decrease. It looks like Professor W.S. Sampath from Colorado State University has developed a technique to create solar cells without the pricey silicon, therefore making th

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