Nothing lasts forever. This is good life advice, and it also happens to be an important feature of our physical universe. Natural philosophers considered and discarded the idea of ‘perpetual motion’ a ...
A wheel weighted with swinging mallets. A cylinder rotating in a sealed, water-filled container. A siphon that transfers liquid back and forth in a seemingly endless loop. These may sound like the ...
Alice Gerson’s Mrs. Chase in Prospect Park, 1886. (Photo by Heritage Art / Heritage Images via Getty Images) “Women and exile are linked,” observes Etel Adnan in Of Cities and Women, her series of ...
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