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How do optical illusions trick your eyes and brain? Watch this episode of "How Does it Work?" to find out what makes these puzzling images work.
Up Next in How Does it Work?
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How Does it Work? - Seismograph
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.
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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.
