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Technology Topics

  • Caveat Impactor

    2002April 6, 2011

    An asteroid with almost no chance of hitting Earth made big headlines this week. Are we really in danger?

  • Space Power

    2002Sept. 20, 2011

    This month Science@NASA will publish a series of stories about the technology of space exploration--and what advances in technology are needed to send human and robotic explorers across the solar system. Today's installment, "Space Power," is the first.

  • Halloween Asteroid

    2002April 6, 2011

    Near-Earth asteroid 1997 XF11, which briefly scared astronomers five years ago, passes by Earth again this week on Halloween.

  • Bionic Eyes

    2002April 6, 2011

    Using space technology, scientists have developed extraordinary ceramic photocells that could repair malfunctioning human eyes.

  • How AstronautsGet Along

    2002April 6, 2011

    Astronautshave a cool demeanor and good people-skills, but six months in a tiny spaceship with the same crewmates can drive anyone to distraction.

  • Annihilating Anthrax

    2002Jan. 31, 2013

    Research aimed at building better greenhouses in space has led to a device that attacks and destroys airborne pathogens -- like Anthrax.

  • Voyage of the Nano-Surgeons

    2002April 6, 2011

    NASA-funded scientists are crafting microscopic vessels that can venture into the human body and repair problems, one cell at a time.

  • Plastic Spaceships

    2005April 6, 2011

    A new "designer material" derived from the plastic of household trash bags could help protect Astronautson their way to Mars.

  • Deep Impact

    2005April 6, 2011

    On the 4th of July, a NASA spacecraft will blast a hole in Comet Tempel 1.

  • The Next Giant Leap

    2005Sept. 20, 2011

    The next big thing is small: Nanotechnology could lead to radical improvements in space exploration.