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?
Wheel
Fire
Plow
Internal Combustion Engine
Which 15th century invention by German Johannes Gutenberg transformed history by introducing movable type, revolutionizing the spread of knowledge?
Printing press
Gunpowder
Electricity
Paper
Which medieval invention, developed in 13th century Italy and critical for reading, required a knowledge of optics and the ability to grind glass?
Spectacles
Camera obscura
Binoculars
Magnifying 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?
Telescope
Spectacles
Printing Press
Microscope
Which navigational device was first invented in China over two thousand years ago, and made it possible for later explorers to cross oceans?
Compass
Gunpowder
Paper
Astrolabe
Which invention, developed in the 1760s and 1770s by James Watt, went on to power trains, ships, factories, and the Industrial Revolution?
Steam engine
Electric Engine
Air Pump
Cotton gin
Credit for this invention goes to Alexander Graham Bell, who received the first patent on this technology, which revolutionized communication, in 1876.
Telephone
Gramophone
Light Bulb
Telegraph
Which invention of the late 1800s, credited to Thomas Edison, required electricity in the home and reportedly changed people’s sleep patterns?
Light bulb
Compass
Telephone
Gas Lantern
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