1974 ⟶ Rubik's Cube Invented
The Rubik's cube is invented by Ernő Rubik which went on to ...Year
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1974
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⚙️ Ányos Jedlik Invents First Commutated Rotary Electromechanical Machine
Hungarian physicist Ányos Jedlik invents the first commutated rotary electromechanical machine with electromagnets.⟶

ElectricityElectromagnetismPhysicsMechanical Engineering

💡 Invention of the Closed Core High Efficiency Transformer
Hungarian engineers Károly Zipernowsky, Ottó Bláthy and Miksa Déri invent the closed core high efficiency transformer and the AC parallel power distribution.⟶

Electrical EngineeringIndustrial RevolutionScientific Innovation

🖊️ László Bíró Patents the Ballpoint Pen
June 15: Hungarian newspaper editor László Bíró fills a British patent of the first commercially successful ballpoint pen. This would popularize the instrument, currently the most widely used for writing, after World War II.⟶

PatentDesignWorld War IIPost-WarConsumer Goods


🧵 Polyester Invented
Polyester is invented by John Rex Whinfield and James Dickson.⟶

TextilesSynthetic MaterialsChemistryIndustrial Revolution

🧩 Rubik's Cube Invented
The Rubik's cube is invented by Ernő Rubik which went on to be the best selling puzzle ever.⟶

Popular CultureRecreationIntellectual Property
