Hundreds of thousands of patents are issued by the U.S. Patent and Trademark Office for new inventions every year. Some of these creations, such as the lightbulb, personal computer, and automobile, ...

Add Yahoo as a preferred source to see more of our stories on Google. For every groundbreaking creation humanity has ever cooked up, there’s at least one fever dream-y invention that leaves you ...

Human ingenuity knows no bounds. Throughout history, brilliant minds have tackled challenges ranging from curing diseases to exploring space. Yet for every revolutionary breakthrough that changes the ...

You probably don't think twice when stepping into an elevator. It's just there, ready to whisk you up to your hotel room on the 30th floor of a Vegas casino or down to the underground parking garage.

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.