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Tin cans were first produced in London in 1813. But they had to be opened with a hammer and chisel, because the can opener wasn't invented until 1855! Check out other amazing engineering innovations, such as a popular soft drink originally sold as a "brain tonic," an 18th-century battery called a voltaic pile, and a design from 1596 for the first flushing toilet. Fact-packed text and fun illustrations reveal clever discoveries that changed the world--and weird ideas that didn't (like Nikola Tesla's earthquake machine or Thomas Edison's giant singing dolls). Learn how wonders of engineering have helped us improve our lives--from growing food to powering machinery.
Tin cans were first produced in London in 1813. But they had to be opened with a hammer and chisel, because the can opener wasn't invented until 1855! Check out
Go back in time to share the excitement of the greatest technological breakthroughs in history--and meet the inspired inventors who made them happen. The light
Essays explore inspiration and entrepreneurship in everyday Americans, including the story of Bob Kearns, who invented the intermittent windshield wiper.
"From codes and signals to social media, communication inventions advance the ways we interact with one another. Humorous text follows these inventions througho
The popular image of Alexander Graham Bell is that of an elderly American patriarch, memorable only for his paunch, his Santa Claus beard, and the invention of
