World's first 'living robots' start to reproduce

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Living robots designed by computer and built from stem cells have started to reproduce in a breakthrough which could lead to self-replicating machines, scientists said.

Scientists filmed the Pac-Man-like parents collecting the cells in their 'mouths' before building the 'offspring' from the loose cells - Douglas Blackiston and Sam Kriegman

Now scientists have shown that if the xenobots are placed in a petri dish with embryonic frog stem cells, the bots sweep the cells up into little round piles which morph together into new organisms and also begin to move. “I was astounded by it,” Professor Michael Levin, of Tufts University, Massachusetts, told the US news site CNN.

Once assembled into forms never seen in nature, the cells began to work together. The skin cells formed a "body" while contracting heart muscle cells were repurposed to create a forward motion, allowing the robots to move on their own.

 

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