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Prachi Patel Guest Contributor

  • A Fast, Sensitive Virus Detector

    A sensor that measures the concentration of viruses in minutes could make possible a handheld device that cheaply and quickly spots pathogens.


  • New Optical Glucose Sensor

    A hair-like optical fiber implanted in the skin could make frequent glucose measurements easier for diabetics.

  • Tiny Device Stores Light

    IBM researchers have fabricated a silicon device that’s a significant advance in making practical optical interconnects.

  • Nanowires Conduct Photocurrent

    Self-assembled nanotubes that conduct current when illuminated take us one step closer to cheap molecular photonic devices.

  • A First: Directing Heat in Solids

    A device that controls the direction of heat flow could one day have valuable uses in microelectronics and energy-efficient buildings.


  • Buckyballs with a Surprise

    Carbon cages filled with metal molecules could improve MRI diagnostics and make high-efficiency solar cells.

  • More Efficient Solar Cells

    A semiconductor material with three energy bands uses more sunlight, by trapping low-energy photons.



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