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Compound Machines: Pulley
- Learn how pulling a rope that runs over a round pulley makes lifting easier.
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How Waterjets Work
(1:12)
How do waterjets work?
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How Helicopters Work
(1:11)
Helicopters use various degrees of balance and rotation to fly. Learn how helicopters work in this HowStuffWorks video.
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Underwater Car
(1:15)
Since the famous James Bond car took The Spy Who Loved Me underwater, many have wondered if it is possible. Discovery Channel "Mythbusters" even devoted a segment to the possibility. Meet the sQuba underwater car.
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How Flying Cars Work
(1:15)
In the near future, flying cars may be on your city's streets. Learn more about flying cars and the M-400 in this HowStuffWorks video.
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How Drawbridges Work
(1:24)
A drawbridge is a bridge over a body of water that opens up to allow boats and ships to pass through. Watch this video from HowStuffWorks to learn how it works.
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How Did This Airplane Avoid Crashing?
(1:30)
Watch this Reuters video showing a Lufthansa flight to Hamburg that nearly ended in disaster. Flying through storms and battling strong gusts of wind this expert team of pilots avoided disaster as they tried to land at the Hamburg airport.
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How Roller Coasters Work
(1:25)
Roller coasters don't have engines, accelerators or brakes, So what makes roller coaster cars speed up, slow down and loop upside down? Get the inside track on the quintessential thrill ride.
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Solar Energy Systems
(4:04)
Watch this video about solar energy on HowStuffWorks. Renewable energy sources such as photovoltaic systems are being used by companies and universities to help create power and save money. See how Advanced Energy Conversion works in this video from... More »
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