Explore Wonders | Tag: detector | Wonderopolis

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How Do Metal Detectors Work?

We hope today’s Wonder of the Day doesn’t set you off!

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How Do Metal Detectors Work?
How Does a Particle Accelerator Work?

Get ready to put your brain into overdrive. Today’s Wonder of the Day has no speed limit!

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How Does a Particle Accelerator Work?
How Do Police Know How Fast You’re Going?

Zoom! You won’t believe how quickly today’s Wonder of the Day will fly by!

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How Do Police Know How Fast You’re Going?
Can You Fool a Lie Detector?

We cannot tell a lie. Today’s Wonder of the Day will amaze you!

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Can You Fool a Lie Detector?
Can Canines Have Careers?

Today’s Wonder of the Day is about some work that’s really for the dogs!

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Can Canines Have Careers?