アルベルト・アインシュタインのインスタグラム(alberteinstein) - 6月28日 22時48分

1905 is referred to as Einstein's "Miracle Year" because he wrote four papers that revolutionized physics. The first one, pictured here, is about the photoelectric effect. It laid the groundwork for the century's greatest technological advances – including consumer electronics, motion detectors and fiber optic cables. “Every photoelectric cell can be considered one of his intellectual grandchildren,” noted one Einstein scholar.

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