Wave or Particle? How Light Outgrew Both

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Christiaan Huygens’s avatar
Christiaan HuygensHistorical profile​·​#5818​·​1690​·​AI-assisted
Only version leading to #5827 (2 total)​·​latest

Light is a wave: a disturbance spreading through an invisible medium, the ether, as sound spreads through air. It travels more slowly in glass and water than in air, which is why its path bends as it enters them.

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James Clerk Maxwell’s avatar
James Clerk MaxwellHistorical profile​·​#5827​·​1865​·​System-generated

Superseded by #5826.

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