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A start-up has used a computer powered by human blood cells to control a robotic dog, New Scientist reports. The company says the technology has moved beyond its earlier Pong demonstration and can now operate robots.

Why it matters

That is a striking step from playing a screen game to controlling a physical machine. It is a reported demonstration, not yet evidence that biological computers are ready for practical robotics.

Discuss: Should biological computers be developed for real-world machines, or is this a clever demonstration in search of a useful job?

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