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Energy Archive

  • Save the Helium

    A swing of the congressional budget ax has killed the strategic helium reserve, even though public and private research depends on steady suppliles of the element.

  • Missile Defense: The Sequel

    Today’s programs for defending against missile attacks are less ambitious than the Reagan-era Star Wars efforts. But the new systems are still too easily foiled, and their deployment would slow arms cuts.

  • Next Stop: The Electric Bus

    Densely populated Third World megacities, choking on polluted air, provide a splendid opportunity for introducing electric vehicles on a large scale.

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  • When the Sun Disappears and Dolphins Do Back Flips

    During total eclipses of the sun, at least one ancient culture performed mass human sacrifice to placate the gods. While our understanding of these celestial phenomena has grown, the author rediscovers the scientific curiosity they engender.

  • Paint the Town White--and Green

    Urban heat islands are not inevitable, but the product of dark roofs, black pavement, and loss of vegetation. A “cool communities” approach would lower air-conditioning use and make the air healthier.

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