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As Long As They're Not Transformers. That Would Hurt
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Sometimes, you see scientists doing stuff and you wonder if they're just yanking all of us. Take the researchers who have developed sperm-like robots that wiggle and get controlled by a magnetic field. Now, there IS a use for something like this -- they can use the robots to position things or deliver drugs in a more targeted manner. But, still, sperm robots? (BBC)
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