Lead story / hardware
This startup says sound waves can stop kitchen fires
A new acoustic fire suppression system hits the market, but firefighters and engineers aren't convinced it can replace sprinklers.
Section / safety
safety.
The Revision reporting on safety — 2 stories on the wire, deduplicated and rewritten in one voice.
All safety coverage
autonomous-vehicles
Waymo adds age checks to block kids riding alone in driverless cars
The self-driving service is verification-testing adult riders after reports of children traveling solo.