Thread: This "smaller than a single grain of rice" light-powered pacemaker is the world's sma
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Old 14th Apr 25, 01:31 AM
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This "smaller than a single grain of rice" light-powered pacemaker is the world's sma
The "world's smallest pacemaker" has been developed, and it is even "smaller than a single grain of rice". It needs light for activation. Read more...

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