Purdue University civil engineering professor Monica Prezzi, at left, works with doctoral student Fei Han to operate a new test chamber that allows engineers to simulate precisely what happens to soil ...
DUGWAY PROVING GROUND, Utah - Dr. Wing Tsang is serious one moment and grins the next when he says "wiz-lat." He's certain it will save lives someday -- that's the serious side -- but he can't help ...
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