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Emily Waltz

Emily Waltz

Associate Editor at The Risk Factor

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    Covering topics
    • Science

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    Recent Articles

    spectrum.ieee.org

    Photonics Biosensor

    Steradian Technologies, HoustonRumiTime to results: 30 secondsThe user blows into a tube, and if the virus is present, its protein receptors will bind with a chemically reactive biosensor. The binding causes the biosensor to emit light in the form of photons. Mirrors inside the handheld device conce...
    spectrum.ieee.org

    How Smarter Grids Could Save Americans $100 Billion On Power

    New tech could boost grid utilization and cut electricity rates
    spectrum.ieee.org

    Inside Sardinia’s Fierce Fight Over Renewable Energy

    Inside Sardinia’s Fierce Fight Over Renewable Energy
    spectrum.ieee.org

    The Top 7 Energy Stories of 2025

    Small modular reactors are reshaping nuclear power with their compact design and potential, and other top energy stories from IEEE Spectrum in 2025.
    spectrum.ieee.org

    This Giant Bubble in Sardinia Stores Energy for the Grid. Here's How.

    Google is betting big on CO2 batteries to power its data centers with clean energy.
    spectrum.ieee.org

    Grid-Scale Bubble Batteries Will Soon Be Everywhere

    Google is betting big on CO2 batteries to power its data centers with clean energy.
    spectrum.ieee.org

    China, Russia, and U.S. Race to Develop Lunar Nuclear Reactors

    Why are China, Russia, and the US racing to build nuclear reactors on the moon? Dive into the reasons behind this cosmic competition.
    spectrum.ieee.org

    Could Black Paint Protect Birds from Wind Turbines?

    Wind turbines are killing birds, especially eagles, but painting one blade black could reduce deaths by 70%. Why aren't more wind farms adopting this simple solution? Ecologist Roel May's study faces resistance from engineers due to technical concerns.
    spectrum.ieee.org

    This Chart Might Keep You From Worrying About AI’s Energy Use

    The world is anxious about the strain on power grids from AI data centers. But in the past, innovation in efficiency has balanced electricity demand from tech growth in the U.S. Can we do it again with AI?
    spectrum.ieee.org

    XPrize in Carbon Removal Goes to Enhanced Rock Weathering

    The XPrize Foundation awarded $50M to Mati Carbon for its innovative carbon removal technique using enhanced rock weathering.
    spectrum.ieee.org

    This Supercritical CO2 Circuit Breaker Could Reduce Greenhouse Gas ...

    A new high-voltage breaker can clear grid-scale faults without greenhouse gas