Katy Bradford: Cassette approach offers compelling construction solution
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Researchers at the Department of Energy’s Oak Ridge National Laboratory got a surprise when they built a highly ordered lattice by layering thin films containing lanthanum, strontium, oxygen and iron. Although each layer had an intrinsically nonpolar (symmetric) distribution of electrical charges, the lattice had an asymmetric distribution of charges. The charge asymmetry creates an extra “switch” that brings new functionalities to materials when “flipped” by external stimuli such as electric fields or mechanical strain. This makes polar materials useful for devices such as sensors and actuators.
Knoxville-based Fiveworx has licensed an Oak Ridge National Laboratory technology that will help consumers reduce their utility bills by analyzing their home energy usage.
The Department of Energy’s Oak Ridge National Laboratory has developed a technology leading to more secure seals on containers filled with nuclear material. The technology uses a light source of entangled photons to verify the continuity of a fiber-based seal. E...