team 18The final design of the Passive Shock Switch to allow for monitoring without the use of power.

Passive monitoring is used to detect events or initiate systems when power is unavailable. Team 18 created a passive, normally open switch for Los Alamos National Laboratory that closes and latches when a magnet displaces sufficiently to be captured by a steel plate. The passive design requires only the energy from a shock event to close, and will not latch in normal transportation environments.


Los Alamos National Laboratory


Jack Zable

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