A thermodynamically consistent phase-field framework for viscoelastic fatigue fracture with dissipated-energy-driven toughness degradation

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He had pulled a thread attached to a flat, rectangular piece of waffle-like material segregated into dozens of wonky-looking square tiles. With that careful pull, the slab compressed together, suddenly stood up, and took on the shape of a tiny, curvy, modernist-style chair.

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Josh Dury, from Bristol, photographed the phenomenon from a radar memorial in Worth Matravers, Dorset, on Tuesday just after 18:30 GMT.

Фото: Joe Skipper / Reuters

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Студенты нашли останки викингов в яме для наказаний14:52