Roman, Egyptian, and Chinese civilizations had many different ingenious inventions. Chocolate was a big aphrodisiac for Mesoamerican civilizations and used for energy. The first earthquake detector is ...

All inventions cause the world to react in one way or another. In many cases, discoveries push the boundaries of human output and unlock unforeseen possibilities for the species. Of course, for every ...

Whether it's two bicycle repairmen from North Carolina creating a flying machine or an enterprising scientist from Washington building an artificial heart, the beauty of inventions is they can come ...

We asked readers which U.S. technologies, including the cotton gin, the microchip and even the dishwasher, have mattered most.

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