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Biomedical devices

Biomedical devices

Home » Biophysics and bioengineering » Biomedical devices » Light-activated pacemaker is smaller than a grain of rice

Light-activated pacemaker is smaller than a grain of rice

24 Apr 2025
World’s smallest pacemaker
Minimally invasive Tiny pacemaker is so small that it can be injected into the body via a syringe. (Courtesy: Northwestern University)
The world’s smallest pacemaker to date is smaller than a single grain of rice, optically controlle

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Catherine Steffel is a science writer based in Madison, Wisconsin.
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