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Featured

  • Researchers create new polymer films that conduct heat rather than insulate against it

    Typically, polymers are used as thermal insulators, but researchers from the Massachusetts Institute of Technology (MIT) in Cambridge, Mass. created new, thin polymer films (thinner than plastic wrap) that conduct heat better than ceramics and better than many metals. details>>
  • Under pressure, thermoelectric properties of tin selenide displayed at room temperature

    Scientists at Helmholtz Zentrum Berlin (HZB) in Germany discovered that tin selenide could exceed the record-setting thermoelectric properties of bismuth telluride and can do it at room temperature, as long as high pressure is applied to the material. details>>
  • New laser technique allows researchers to visualize dangerous hotspots in batteries

    Researchers from Stanford (Calif.) University and the U.S. Department of Energy (DOE) SLAC National Accelerator Laboratory used a new laser technique to visualize hotspots within lithium-metal batteries and determined that hotspots can lead to the growth of dendrites that could cause short circuits. details>>
  • Physicists demonstrate new, powerful quantum optical cooling of isolated nanoparticles

    Physicists from the University of Vienna (Austria), the Austrian Academy of Sciences and the Massachusetts Institute of Technology (MIT) in Cambridge, Mass. demonstrated a new method for cooling isolated and levitated nanoparticles. details>>
  • Researchers studying new ways of controlling thermal radiation at the nanoscale

    Researchers from several academic institutions are using the facilities at the Lawrence Berkeley National Laboratory (Berkeley, Calif.) to study thermal radiation at the micro- and nanoscale to see if there is a better way of controlling it. details>>
  • Physicists studying material that could make computer memory faster and cheaper

    Researchers at the University of Arkansas (Fayetteville, Ark.) are studying bismuth ferrite (BFO), which is a material that shows potential for storing information more efficiently than currently possible, as well as being used in sensors, transducers, and other electronics. details>>
  • U.K. researchers show high thermal conductivity of ultra-pure hexagonal boron nitride

    Researchers at the University of Bristol (U.K.) demonstrated a thermal conductivity of 550 W/mK, more than twice that of copper, in ultra-pure boron nitride, which could be used in safer and more efficient electronics, according to a report from the school. details>>
  • New, more efficient method discovered for controlling magnetic circuits without electric currents

    Researchers from the New York University (NYU) Tandon School of Engineering in New York City discovered a new voltage-controlled topological spin switch (vTOPSS) that uses only an electrical field, not an electrical current, to switch between Boolean logic states. details>>
  • Study demonstrates the potential for mechanically-stressed carbon nanotubes to cool electronics

    Simulations based on the elastocaloric effect (ECE) performed at Agencia FAPESP, a research facility in Sao Paulo, Brazil, revealed that mechanical strain in carbon nanotubes causes them to extract heat more efficiently and increases their potential for electronics cooling. details>>
  • Device appears to break rules, passively allows heat to flow from cold to warm object

    Physicists from the University of Zurich (Switzerland) demonstrated a simple device that appears to break the second rule of thermodynamics, which states the entropy of a closed, natural system must increase over time, by allowing heat to flow from a cold to a warm object without an external power supply. details>>
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