Search Results | friction

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Can sandpaper light a match?

science.howstuffworks.com/science-vs-myth/everyday-myths/sandpaper-light-match.htm

Matches work by combining flammable chemicals with heat from friction. Learn whether you can light a match with sandpaper in this article.

How do fans make you feel cooler?

science.howstuffworks.com/question22.htm

Why does air cool down when pushed around by an electric fan? You would think that air molecules in motion would be creating friction, and therefore increasing the ambient temperature instead of decreasing it. So why do you feel cooler?

How big does a meteor have to be to make it to the ground?

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How big is a shooting star? Do they land on earth or do they burn up? Learn how what tiny particles of space dust have to do with meteors.

How Newton's Cradles Work

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Five metallic balls on slender threads sit side by side. As one on the end hits the rest, the one on the opposite end rises and falls. Why don't the balls in the middle move? It's complicated.

How Bearings Work

science.howstuffworks.com/transport/engines-equipment/bearing.htm

Bearings are the invisible heroes inside many mechanical devices. Learn about all different kinds of bearings, including 5-foot ball bearings that keep buildings on solid footing.

How Ultrasonic Welding Works

science.howstuffworks.com/ultrasonic-welding.htm

You probably know that high pitched or high frequency sounds can break materials apart. But did you know that high frequency sounds can be used to bond materials together?

Is Quicksand Real? Learn How Quicksand Works

science.howstuffworks.com/environmental/earth/geology/quicksand.htm

Countless movies and television shows depict quicksand as some kind of living creature that sucks its victims down into a bottomless pit, never to be heard from again. Well, you can't believe everything Hollywood tells you.

Yes, Wind Can Blow You Away If It's the Right Speed

science.howstuffworks.com/nature/climate-weather/atmospheric/wind-can-blow-you-away-right-speed.htm

We've all seen shots of meteorologists fighting gale-force winds to report on storms. So just how high can the winds get before the reporters are knocked off their feet?

How Landslides Work

science.howstuffworks.com/environmental/earth/geology/landslide.htm

Landslides can be devastating, causing more damage than their triggers. Learn more about landslides and landslide causes.

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