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How did ancient civilizations use sundials to tell time?

electronics.howstuffworks.com/gadgets/clocks-watches/ancient-civilizations-use-sundials.htm

Ancient sundials first popped up in Egypt around 1500 B.C. Learn how these sundials came about and what they were used for all those centuries ago.

8 Native American Scientists You Should Know

science.howstuffworks.com/dictionary/famous-scientists/physicists/native-american-scientists.htm

From astronauts to doctors to an archaeologist, we present eight scientists whose contributions to science, engineering and math were inseparable from their identities as Indigenous Americans.

How Jet Packs Work

science.howstuffworks.com/transport/engines-equipment/jet-pack.htm

Thanks to several technological advancements, are jet packs closer than ever to becoming a reality for the average person? Find out how jet packs work.

How Animatronics Works

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Animatronics made cinematic history long before digital effects were around. Learn about how animatronics are created, programmed and controlled.

Did da Vinci really sketch a primitive version of the car?

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Did da Vinci really sketch a primitive version of the car? Discover the answer to the question, did da Vinci really sketch a primitive version of the car?

10 Cool Engineering Tricks the Romans Taught Us

science.howstuffworks.com/engineering/structural/10-roman-engineering-tricks.htm

When it came to building or improving things, the ancient Romans really knew their stuff. Which cool engineering tricks did they pass along to us?

10 Homebuilt Tech Tools for the Developing World

electronics.howstuffworks.com/everyday-tech/10-homebuilt-tech-tools-for-developing-world.htm

Homebuilt tech tools and DIY technologies can greatly improve people's lives. Learn about 10 DIY homebuilt tech tools for the developing world.

How the GM Sunraycer Worked

auto.howstuffworks.com/sunraycer.htm

GM's Sunraycer was a solar car ahead of its time. Read the history of the sunraycer and why it almost took General Motors down with it.

Can Earthquakes Be Predicted?

science.howstuffworks.com/nature/natural-disasters/earthquake-predictable.htm

Are earthquakes predictable, or will we always be surprised when they occur? Learn about predicting earthquakes in this article.

Did the ancient Greeks get their ideas from the Africans?

history.howstuffworks.com/history-vs-myth/greek-philosophers-african-tribes.htm

The ancient Greeks could have gotten all of their revolutionary ideas from civilizations in Africa. Learn about the ancient Greeks and ancient Greek ideas.

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