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"We cannot guarantee that any simple or complex message, even when recognized and correctly interpreted, will deter a human being from inappropriate action."

From https://prod-ng.sandia.gov/techlib-noauth/access-control.cgi...

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Unless humanity reverts to a pre industrial state, future inhabitants should have tech to detect radioactive material —just as we can now. If we fall to a pre industrial state, it’s doubtful we’d be able to get to the buried waste material like Yucca mountain.

> I do not know with what weapons World War III will be fought, but World War IV will be fought with sticks and stones.

Albert Einstein, in an interview with Alfred Werner, Liberal Judaism 16 (April-May 1949), Einstein Archive 30-1104, as sourced in The New Quotable Einstein by Alice Calaprice (2005), p. 173

Just add Geiger sensors to phones. If it goes beyond a certain level, you lose data connection. Then watch the people flock away.

The sign wasn't kidding. Leave any skeletons from people who thought it was in place and that will be warning enough.

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