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Links for 25 January 06

Nano Solar Motor
  • Nanomotors that run on sunlight. “While the nanomotor is less efficient than some fuel-powered engines—it has an efficiency of only 2 to 12 percent—the researchers point out that it doesn’t need refueling and that sunlight is free.” Harnessing this “free power” might be a bit of a challenge seeing that 3.8 million of them, end to end, span the width of a penny.
  • Video of the Wrightspeed X1 in action.