Scientists create brain implant smaller than a grain of rice

09 Nov 2025 | Category: Technology

Roughly the width of a human hair, the implant works by encoding neural signals into pulses of infrared light, which then travel through brain tissue and bone to a receiver.

Roughly the width of a human hair—about 300 microns long and 70 microns wide—the implant works by encoding neural signals into pulses of infrared light, which then travel through brain tissue and bone to a receiver. Molnar first conceived the concept...

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