1936 ⟶ Modern Trampoline Invented by Nissen and Griswold
George Nissen and Larry Griswold build the first modern tram...
Year
1902
1933
1935
1936
1947
❄️ Willis Carrier Patents Modern Air Conditioning
July 17: Willis Carrier invents the first modern electrical air conditioning unit.⟶
Industrial Revolution
United States♿️ 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
United States🧵 Nylon Fiber Production Begins
Nylon, the first fully synthetic fiber is produced by Wallace Carothers while working at DuPont.⟶
Synthetic MaterialsTextilesChemistryIndustrial RevolutionConsumer Goods
United States🤸 Modern Trampoline Invented by Nissen and Griswold
🏞️ Hoover Dam Completed
⛏️ Hydraulic Fracturing Technology Invented
Floyd Farris and J.B. Clark (Stanolind Oil and Gas Corporation) invents hydraulic fracturing technology.⟶
Oil IndustryFossil FuelsEnergyPetroleumResource Extraction
United States