1873 ⟶ Willoughby Smith Discovers Photoconductivity
Willoughby Smith discovers photoconductivity.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.⟶

PhysicsAtmospheric ScienceGlobal Warming

💡 Willoughby Smith Discovers Photoconductivity
Willoughby Smith discovers photoconductivity.⟶

PhysicsElectricitySemiconductorsMaterials ScienceTelecommunications

💡 William Crookes Invents the Crookes Radiometer
William Crookes, a chemist, invents the Crookes radiometer as the by-product of some chemical research.⟶

PhysicsChemistryScientific InstrumentsExperimentation

💡 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
