Greatest Inventions of All Time

Which invention, dating back at least five thousand years, made it possible to transport goods and develop cranks, pulleys, and more recently, jet engines?

Which 15th century invention by German Johannes Gutenberg transformed history by introducing movable type, revolutionizing the spread of knowledge?

Which medieval invention, developed in 13th century Italy and critical for reading, required a knowledge of optics and the ability to grind glass?

Although Galileo didn’t invent this tool for looking at the skies, he is often credited with which 17th century breakthrough invention that proved the sun was at the center of the universe?

Which navigational device was first invented in China over two thousand years ago, and made it possible for later explorers to cross oceans?

Which invention, developed in the 1760s and 1770s by James Watt, went on to power trains, ships, factories, and the Industrial Revolution?

Credit for this invention goes to Alexander Graham Bell, who received the first patent on this technology, which revolutionized communication, in 1876.

Which invention of the late 1800s, credited to Thomas Edison, required electricity in the home and reportedly changed people’s sleep patterns?