Uncategorized

  1. 19838

    I would debate the “1,000 watts or more” value attributed to typical adults during strenuous exercise as mentioned in this story. Hiking up steep slopes, I rarely exceed 250 W myself, and typical hikers are going much slower. The 1,000-watt figure can only apply to elite athletes during brief periods of peak exertion. David B. […]

    By Science News
  2. Tech

    Powering the Revolution

    Sensors and other electronic devices that can scavenge energy could open a new realm for technology.

    By Mitchell Waldrop
  3. Ecosystems

    Slime Dwellers

    The health of corals, and their adaptability in the face of adversity, may rest largely on the microbes they recruit into a slime that coats their surfaces.