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Jon sez

Scientists at Northwestern and Purdue Universities have been measuring the ground movement in the New Madrid seismic zone in the center of North America, a fault which fired off an earthquake about two hundred years ago that was felt hundreds of miles away in New York state, and have found that the ground hasn't been moving much at all there lately. They wonder if the New Madrid fault is shutting down.

Mark sez

If you have some spare time on your hands this weekend, why not build your own Apollo guidance computer?