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Necessity is the mother of invention, and the recent rescue of the 33 trapped Chilean miners exemplifies this. If not for the inventive minds of a team of NASA engineers, an already desperate situation could have easily turned tragic.
A 15 ft long, 1,000 pound capsule was designed to transport one man at a time from the rocky depths. Faced with friction problems in the shaft, the NASA team equipped the capsule with wheels. There seems little doubt this equipment will provide the model for future mining and tunneling rescue capsules. And it was created not only out of necessity, but ingenuity as well.
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