Physics
Eureka relived: Spark of genius proved truth of light
Heinrich Hertz's 19th-century experiments proved electricity and light were connected 鈥� and recreating them shows what a tour de force they were
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Heinrich Hertz's 19th-century experiments proved electricity and light were connected 鈥� and recreating them shows what a tour de force they were
Modern dream research has a lot to learn from the century-old exploits of an eccentric French marquis, finds David Robson