What a Great Idea!: Inventions that Changed the World45 technological touchstones are described and illustrated. |
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ancient animals antibiotics Archaeological atom Babylonia Baron Schilling baskets battery became black powder boats build Cai Lun called changed chemicals CHILDREN Chinese clay clocks compass copper cylinder designed developed device discovered discovery doctors early Edison Egypt Egyptian electric motor electromagnet electronic Europe farmers farming fibers fire Galileo grow hand ax humans Humphry Davy idea IMPACT internal combustion engine INVENTION inventor iron irrigation Joseph Swan Justus von Liebig laser later lenses light lightbulb Lister living look machine magnet maps material metals microscope Middle East modern mold named needed needle Niepce Nikolaus Otto nuclear number system papyrus phonograph pieces piston poles pottery problem produce radio Robert Goddard rockets scientists simple spears started steam engine sticks stone technique telegraph telescope things Thomas Edison took trade transistor tube turned vacuum vacuum tubes wheel Wilhelm Röntgen wire wooden writing