Add Yahoo as a preferred source to see more of our stories on Google. The Dynasphere, an electronically gas-driven monowheel vehicle, being tested on Brean Sands by its inventor, John Archibald Purves ...

Stacker has chronicled social, scientific, and business inventions that changed America over hundreds of years.

Looking through the rubble of ancient civilizations, archaeologists have uncovered inventions so sophisticated they challenge everything we think we know about technological progress. While we often ...

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 ...

But despite the countless numbers of interesting, useful, and even groundbreaking inventions on the market, many other bizarre creations in history barely made it beyond their initial prototypes.