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Your search for "friction" returned 113 results
10 Heaviest Objects Mankind Has Ever Moved
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It's always been a dilemma for humans: how to move that super-heavy object to a new place. But we always seem to find a way, don't we?
How the Gemini Spacecraft Worked
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The Gemini spacecraft took 20 astronauts to space and back. Find out how the Gemini spacecraft took NASA one step closer to landing on the moon.
10 Things You Didn't Know About Einstein
The man who had some theories about relativity was also an eccentric who gleefully eschewed socks, dodged German military service and spurned social conventions.
What Is a Glacier? Everything to Know About These Ice Masses
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Glaciers are rivers of ice and are the largest moving objects on Earth. Learn about glaciers and find out how much freshwater are frozen in glaciers.
How Telescopes Work
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For centuries, curious observers have probed the heavens with the aid of telescopes. Today, both amateur and professional scopes magnify images in a variety of ways.
How Hurricanes Work
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How often have you watched a weather forecaster point to a spiral-shaped cloudy mass with a sense of dread and fascination? What fuels these ferocious storms?
How Wind Power Works
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When air moves quickly, that motion means kinetic energy, which can be captured. Learn how the simplest possible wind-energy turbine works.
How That Creamy Chocolate Is Made
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Chocolate comes from the equatorial cacao tree's unassuming cocoa beans. Learn the steps from tree to table as cocoa beans become sumptuous chocolate.
10 Reasons Why Tesla Is a Scientific God
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He had patents and pigeons galore. His role in history books could be more. So come ye science fans, and read up on your Tesla facts, myths and lore.
10 Things We Thought Were True Before the Scientific Method
Before the scientific method came along, science dabbled in some pretty far-out ideas in its youth. Remember miasmas? And spontaneous generation? And the four elements?