cold fjord tips a BBC report about the successful installation of microscopic motors into living, human cells. The motors were propelled inside the cell by pulses of ultrasound and steered with magnetism. "At low ultrasonic power, the nanomotors had little effect on these cells. But when the power was increased, the nanomotors surged into action, zooming around and bumping into organelles — structures within the cell that perform specific functions. The nanomotors could be used as 'egg beaters' to essentially homogenise the cell's contents, or act as battering rams to puncture the cell membrane." Once finer control is gained over the motors, they could be used to for extremely small scale surgery, or to deliver drugs to very precise locations. Professor Tom Mallouk of Penn State said multiple motors can move independently of one another, which is important if we try to use them as a cancer treatment. "You don't want a whole mass of them going in one direction."
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