Inventions can change the world in an instant. Inventions are thought of every minute but very few of them actually make it to market. In this section we'll examine amazing inventions from all throughout history.

Top 5 Ancient Aztec Inventions

While the Aztecs are best known for their warlike ways and human sacrifices, their culture also gave birth to elaborate crafts and a highly organized system of government. In fact, some of their inventions are still used today.

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  • Who invented the cell phone?

    Who invented the cell phone?

    It seems like virtually everyone has a cell phone. In fact, you probably have one in your pocket right now. Many had the idea for the device, but only one could successfully introduce the gadget. Who was it? See more »

  • Who invented the computer?

    Who invented the computer?

    We'll give you two hints: This person of diverse interests also invented the cowcatcher device for trains, and he held a distinguished mathematics professorship at the University of Cambridge. Any guesses? See more »

  • Who invented the elevator?

    Who invented the elevator?

    Like so many other modern conveniences that we take for granted, the history of the elevator is more complicated than it may seem at first glance. Believe it or not, there's some controversy over who invented this commonplace contraption. See more »

  • Who invented the first gun?

    Who invented the first gun?

    Created more than a thousand years ago, they've affected warfare -- and society in general -- in ways almost no other weapon can match. So, who was the inventor? See more »

  • Who invented the Internet?

    Who invented the Internet?

    At one time, sharing files between computers meant carrying a box of punch cards from one machine to another. The Internet changed all that, but who's responsible for creating this network of networks? See more »

  • Who invented the radio?

    Who invented the radio?

    Many people consider Guglielmo Marconi the inventor of the radio. After all, he did get the Nobel Prize for it. But others credit Nikola Tesla because the Supreme Court upheld his patent for the invention of radio. So who should get the recognition? See more »

  • Who invented the refrigerator?

    Who invented the refrigerator?

    The grocery bag you're carrying breaks, and the eggs inside splat across your driveway. Yep, unloading groceries can be tedious, but that's nothing compared to the days before refrigeration, so grab a cold beverage and learn who you have to thank. See more »

  • Who invented the sandwich?

    Who invented the sandwich?

    Everyone knows what a sandwich is. Most may even know how the snack got its name. But did you know who invented it? That's a tougher question to answer. See more »

  • Who invented the X-ray?

    Who invented the X-ray?

    We take X-rays so much for granted. We get them at the dentist's office and watch them while clearing luggage through security at the airport. But did you know they were discovered by accident? See more »

  • Who invented video games?

    Who invented video games?

    More than two-thirds of U.S. households play video games, according to the Entertainment Software Rating Board. Without the crazy ideas of a few pioneering folks, we might still be stuck playing marathon sessions of charades. So who do we have to thank? See more »

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