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How metal detectors work

Simple explanation of how metal detectors work, allowing people to find hidden treasure or spot weapons at airport security.

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Explain that stuff: How metal detectors work

A comprehensive explanation of how metal detectors work using magnetism.

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How a detector works

Find out how the detectors at CERN tell what particle has been created from the intense collisions.

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The OPAL Detector

A description of the OPAL detector at CERN, and the links to the LEP accelerator. Description of components of the detector obtained by clicking on labels.

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How to make CERN’s most delicious detector

A recipe to make the CMS detector out of cake. Scrumptious!

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Calculations and formulae for gemstones

An carat weight value calculator and a precious metal value calculator, use on-line gem/metal prices to predict a gem or an alloy's value.

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Photoelectric Effect - Will electrons be ejected from the metal?

Worked example to find out whether light will cause electrons to be emitted from a metal.

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How Smoke Detectors Work

A brief description of how these devices detect smoke, exploring the two most common types used today: photoelectric and ionization detectors. Part of Marshall Brain's HowStuffWorks.com. Assumes ...

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Why can't I put metal in the microwave?

A short video explaining why putting metal in the microwave is a bad idea.

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Why can't you put metal in the microwave

A good description of what happens to metal when you put it in the microwave, and why you shouldn't do it.

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