1861 ⟶ Tyndall's Experiments on Radiant Heat and Greenhouse Gas Absorption
John Tyndall: Experiments in Radiant Energy that reinforced...Year
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💡 Joule's Presentation on the Conservation of Energy
James Prescott Joule: Law of Conservation of energy (First law of thermodynamics), also 1847 – Helmholtz, Conservation of energy.⟶

PhysicsThermodynamicsEnergyScientific Revolution

🌡️ Lord Kelvin Proposes Absolute Zero Temperature Scale
🔬 Tyndall's Experiments on Radiant Heat and Greenhouse Gas Absorption
John Tyndall: Experiments in Radiant Energy that reinforced the Greenhouse effect.⟶

PhysicsAtmospheric ScienceGlobal Warming

☀️ Rayleigh Explains Blue Sky with Scattering Theory
Lord Rayleigh: Diffuse sky radiation (Rayleigh scattering) explains why sky appears blue.⟶

PhysicsOpticsAtmospheric ScienceLight19th Century ScienceScientific Theory

💡 Frederick Guthrie Observes Thermionic Emission
💡 William Crookes Develops Crookes Tube and Studies Cathode Rays
William Crookes invented the Crookes tube and studied cathode rays.⟶

PhysicsExperimentation
