Self-Destructing Circuits Triggered by Radio Waves

Jan-27-18 Electronic circuits that self-destruct in response to radio waves could keep sensitive devices from falling into the wrong hands.

Developed by teams from Cornell University and Honeywell Aerospace, the self-destructing device is made up of a polycarbonate shell wrapped around a silicon-dioxide microchip. In contrast to other self-destruct technologies, which rely on heat or moisture, the Cornell system features microscopic cavities filled with sodium bioflouride and rubidium. According to the team, exposing the shell to radio waves of a particular frequency will trigger graphene-on-nitride valves in the shell to open, allowing the chemicals to mix and cause a thermal reaction that will destroy the chip.

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[NEWATLAS.COM]
[NEWS.CORNELL.EDU]

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