From Science Daily: A new technique for growing single-crystal nanorods and controlling their shape using biomolecules could enable the development of smaller, more powerful heat pumps and devices that harvest electricity from heat.
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photo (from Science Daily): Researchers at Rensselaer discovered a new method to create “branched” nanorods, as seen in this scanning electron microscope image. Such nanorods could one day enable new nanoscale thermoelectric devices for power generation, as well as nanoscale heat pumps for cooling hot spots in nanoelectronics devices. (Credit: Rensselaer/Ramanath)