1898 ⟶ Pechmann Synthesizes Polyethylene

Hans von Pechmann synthesizes polyethylene, now the most com...
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1898

🧪 Robert Bunsen Pioneers Chemical Vapor Deposition

Robert Bunsen is the first to use a chemical vapor deposition technique.⟶
Robert Bunsen Pioneers Chemical Vapor Deposition (1852)
ChemistryScientific InnovationResearchMaterials Science
GermanyGermany

⚙️ Nicolaus Otto Develops the Four-Stroke Engine

Nicolaus August Otto invents the four-stroke cycle.⟶
Nicolaus Otto Develops the Four-Stroke Engine (1876)
Internal Combustion EngineIndustrial RevolutionTransportationManufacturing
GermanyGermany

🔋 Carl Gassner Invents the Zinc-Carbon Dry Cell Battery

Carl Gassner invents the zinc–carbon battery, the first dry cell battery, making portable electronics practical.⟶
Carl Gassner Invents the Zinc-Carbon Dry Cell Battery (1886)
BatteryElectricityIndustrial Revolution
GermanyGermany

🧪 Carl Josef Bayer Invents the Bayer Process

Carl Josef Bayer invents the Bayer process for the production of alumina.⟶
Carl Josef Bayer Invents the Bayer Process (1887)
Industrial RevolutionChemistryMetallurgyMiningMaterials Science
GermanyGermany

⚙️ Rudolf Diesel Patents the Diesel Engine

Rudolf Diesel invents the diesel engine (although Herbert Akroyd Stuart had experimented with compression ignition before Diesel).⟶
Rudolf Diesel Patents the Diesel Engine (1893)
Internal Combustion EngineTransportationIndustrial RevolutionEnergy
GermanyGermany

🧪 Pechmann Synthesizes Polyethylene

Hans von Pechmann synthesizes polyethylene, now the most common plastic in the world.⟶
Pechmann Synthesizes Polyethylene (1898)
ChemistryMaterials ScienceIndustrial Revolution
GermanyGermany