Inside a Jet Engine

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At takeoff, a jetliner engine can move 1.25 tons of air per second. That’s enough power to suck all the...

How a Car Engine Works

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Did you know that your car will take in 20,000 cubic feet of air to burn 20 gallons of fuel?...

Flat Screen Displays

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We spend an astounding amount of time looking at flat screen displays these days, from computer monitors to TV’s to...

Cheetah: Nature’s Speed Machine

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They’re lightning quick poachers – small aerodynamic head, long slender body, oversized respiratory system; lean, highly concentrated fast-twitch muscle groups....

The Moonwalk

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It’s never too late to learn a proper moonwalk! Most people do it exactly the wrong way. But not you....

How speakers make sound

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Speakers (also called loudspeakers) push and pull surrounding air molecules in waves that the human ear interprets as sound. You...