Personal Devices · Projected milestone
Implanted SOS beacon
5% by 2059 · including earlier years
The year is an editorial timing estimate. The percentage applies to occurrence by the stated deadline. These estimates are not calibrated odds.
A rice-grain implant with a decades-long battery calls rescuers to your location if your heart stops, you collapse or you tap it twice.
Explore this milestone on the interactive mapWhat the forecast means
Milestone stage: commercial availability
Completion criteria: Legacy milestone: refine the observable threshold before resolving.
This page describes a forecast, rather than an achieved result. Read the methodology and assumptions.
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Sources & evidence
No individual source links are recorded for this milestone. Source coverage and review status vary across the atlas.
Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.