The Classical WorldTechnology Wheelbarrow c. 100 CENotable Chinese engineers invent a simple machine that lets one person move heavy loads. ▲ MattersSaveShareTrace roots Longest chain: The Big Bang → First stars ignite → Supernovae seed heavy elements → The Sun forms → Earth forms → First oceans → First life → Photosynthesis evolves → Great Oxidation Event → Complex cells (eukaryotes) → Multicellular life → First animals → Cambrian Explosion → First vertebrates → Jawed fish → Fish walk onto land → The amniotic egg → The Great Dying → Dinosaurs appear → Asteroid ends the dinosaurs → Early primates → Apes split from monkeys → Human line splits from chimpanzees → Walking upright → First stone tools → Genus Homo appears → Homo erectus → Control of fire → First fired clay figures → First pottery → Potter's wheel → The wheel → Wheelbarrow Community notesLoading notes… Learn more ranked by votesBookRobert TempleThe Genius of China ↗Editor's pickVideoSearch on YouTubeinvention of the wheelbarrow China ↗Editor's pick