1954 ⟶ Invention of the Silicon Solar Cell
Invention of the solar battery by Bell Telephone scientists,...Year
1849
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1933
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1954
⚙️ James B. Francis Invents the Francis Turbine
⏱️ Crystal Oscillator Invention
The crystal oscillator is invented by Alexander M. Nicholson using a crystal of Rochelle Salt although his priority was disputed by Walter Guyton Cady.⟶

ElectronicsRadio TechnologyTelecommunications

♿️ Invention of the First Lightweight, Folding Wheelchair
Harry C. Jennings Sr. and Herbert Everest, both mechanical engineers, invented the first lightweight, steel, folding, portable wheelchair with their "X-brace" design.⟶

Medical Technology

🚀 Chuck Yeager Breaks the Sound Barrier
Breaking of the sound barrier by Chuck Yeager in Bell X-1.⟶

AviationAerospaceWorld War IICold War

⛏️ Hydraulic Fracturing Technology Invented
Floyd Farris and J.B. Clark (Stanolind Oil and Gas Corporation) invents hydraulic fracturing technology.⟶
Oil IndustryFossil FuelsEnergyPetroleumResource Extraction

🔆 Invention of the Silicon Solar Cell
Invention of the solar battery by Bell Telephone scientists, Calvin Souther Fuller, Daryl Chapin and Gerald Pearson capturing the Sun's power. First practical means of collecting energy from the Sun and turning it into a current of electricity.⟶

EnergyRenewable Energy
