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Briefing: This tiny implant, smaller than a grain of salt, can read your brain

Strategic angle: A new neural implant is so small it can rest on a grain of salt, yet it can track and wirelessly transmit brain activity for over a year.

Editorial StaffMarch 25, 20261 min read

Implant is smaller than a grain of salt.

Tracks and transmits brain activity wirelessly.

Powered by laser light that safely passes through tissue.

Communicates using tiny infrared signals.