Widespread damage occurred in the hot sections of a KLM Boeing 747 that encountered volcanic ash from Alaska’s Mount Redoubt in December 1989. Credit: Thomas J. Casadevall/U.S. Geological Survey A ...
Give it wheels and a steering mechanism, and people will try to power it with anything they can. Visionary (and not-so-visionary) tinkerers and engineers have experimented with everything from steam ...
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