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How does a seismograph detect and record earthquakes? Watch this episode of "How Does it Work?" to learn how these instruments track earth’s movements.
Up Next in How Does it Work?
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How Does it Work? - Hydraulic Systems
How do hydraulic systems use fluid power to move heavy objects? Watch this episode of "How Does it Work?" to learn what makes hydraulic machines work.
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How Does it Work? - Helicopter
How does a helicopter lift off and move in any direction? Watch this episode of "How Does it Work?" to discover the mechanics behind helicopter flight.
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How Does it Work? - Rainbows
How do rainbows form in the sky after it rains? Watch this episode of "How Does it Work?" to learn what creates these colorful arcs.
