1873Willoughby Smith Discovers Photoconductivity

Willoughby Smith discovers photoconductivity.
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Year
1861
1873
1875

🔬 Tyndall's Experiments on Radiant Heat and Greenhouse Gas Absorption

John Tyndall: Experiments in Radiant Energy that reinforced the Greenhouse effect.
Tyndall's Experiments on Radiant Heat and Greenhouse Gas Absorption (1861)
PhysicsAtmospheric ScienceGlobal Warming
United KingdomUnited Kingdom

💡 Willoughby Smith Discovers Photoconductivity

Willoughby Smith Discovers Photoconductivity (1873)
PhysicsElectricitySemiconductorsMaterials ScienceTelecommunications
United KingdomUnited Kingdom

💡 William Crookes Invents the Crookes Radiometer

William Crookes, a chemist, invents the Crookes radiometer as the by-product of some chemical research.
William Crookes Invents the Crookes Radiometer (1873)
PhysicsChemistryScientific InstrumentsExperimentation
United KingdomUnited Kingdom

💡 Frederick Guthrie Observes Thermionic Emission

Frederick Guthrie Observes Thermionic Emission (1873)
PhysicsElectricityExperimentation
United KingdomUnited Kingdom

💡 William Crookes Develops Crookes Tube and Studies Cathode Rays

William Crookes invented the Crookes tube and studied cathode rays.
William Crookes Develops Crookes Tube and Studies Cathode Rays (1875)
PhysicsExperimentation
United KingdomUnited Kingdom