1888 ⟶ Hertz Demonstrates Radio Waves, Validating Maxwell's Electromagnetic Theory
Heinrich Hertz publishes a conclusive proof of James Clerk M...
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🔭 Friedrich Bessel Measures Stellar Parallax
Friedrich Bessel: first successful measure of stellar parallax (to star 61 Cygni).⟶
AstronomyPhysicsScientific RevolutionObservational AstronomyStarsMeasurement
Germany🌡️ Rudolf Clausius Defines Entropy
📡 Hertz Demonstrates Radio Waves, Validating Maxwell's Electromagnetic Theory
Heinrich Hertz publishes a conclusive proof of James Clerk Maxwell's electromagnetic theory in experiments that also demonstrate the existence of radio waves. The effects of electromagnetic waves had been observed by many people before this but no usable theory explaining them existed until Maxwell.⟶
PhysicsElectromagnetismScientific RevolutionCommunicationGlobal Impact
Germany☢️ Röntgen Discovers X-rays
💡 Max Planck Explains Blackbody Radiation
Max Planck: explains the emission spectrum of a black body⟶
PhysicsQuantum MechanicsTheoretical PhysicsScientific RevolutionEnergyElectromagnetism
Germany