Rose Eilenberg

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  • Rectennas: converting radio waves into electricity

    We are constantly surrounded by energy in the form of electromagnetic waves. Wouldn’t it be nice if we could take advantage of it? In a recently published paper in the journal Nature, a future Carnegie Mellon University faculty member, Dr. Xu Zhang, and co-authors describe a novel device that can charge electronics using the energy from radio frequency waves, including Wi-Fi signals.

    SciTech | February 4, 2019
  • Do you enjoy the bitter taste of coffee? It could be in your genes

    A recent study published in the journal Scientific Reports found that sensitivity to the bitter taste of caffeine increased people’s coffee consumption. Scientists have differing opinions on the evolutionary purpose of bitterness perception. “The conventional answer is that taste is a sentinel that protects us from harm. It allows us to sense toxins, poisons” explains Dr. Danielle Reed, a resear...

    SciTech | December 3, 2018
  • Graphene as a superconductor? Double layers could be the key

    The familiar is often overlooked. A recent paper published in the journal Science Advances describes a newly-discovered property of double layers of graphene that may make it possible to turn the material into a superconductor. The system has been studied before, because it is also a semiconductor with a band gap, but never with instruments sensitive enough to recognize the necessary properties ...

    SciTech | November 19, 2018
  • Gender hormone differences affect marijuana use

    Men and women tend to use cannabis differently, according to a recent review article published in Frontiers in Behavioral Neuroscience, which explains that men have been found to use larger amounts of cannabis more frequently than women. Female users, however, are more likely to form unhealthy habits; studies found that women progress faster to problematic cannabis use, show more severe withdraw...

    SciTech | November 5, 2018
  • Ocean Cleanup system gears up to take down the garbage patch

    Halfway between California and Hawaii, ocean currents come together to create a gyre. This vortex of waves concentrates floating debris to form what is known as the Great Pacific Garbage Patch, a collection of water-borne trash big enough to be an independent country.

    Can anyone get rid of it?

    SciTech | October 1, 2018