In the 1960s, thanks mainly to MIT mechanical-engineering professor Ascher Shapiro ’38, PhD ’46, the world became captivated by the question of how a bathtub drains. Harold Edgerton captured this side ...
Like something straight out of "The Twilight Zone", a swirling vortex has opened up in a giant lake on the border of Oklahoma and Texas. The gaping hole — which appeared recently in Lake Texoma — ...
Water swirling down a drain has exposed an elusive phenomenon long believed to appear in black holes. Light waves scattering off a rotating black hole can bounce off with more energy than they came in ...
PERENNIALLY one hears controversy regarding the direction of the vortex in the drain of the bath-tub or the kitchen sink. Some claim that the direction of swirl is always the same in the northern ...
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