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You searched for "vacuum tube"

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(of which 25 are Websites, 0 are Videos, and 4 are Experiments)


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Why do ion engines need a vacuum to work?

A brief explanation why ion engines need a vacuum

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What would happen to the human body in vacuum of outer space?

An astrophysicist answers the question of what would happen to the human body in vacuum of outer space?

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Hits: 2254

Bell Jar

Fun demonstration of air pressure with shaving foam and a vacuum pump.

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Build a simple spectroscope

Make a spectroscope using a CD, a box, a tube and some tape.

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Hits: 481

How Television Works

Containing a brief description of how TV works, from pixels and motion to inside a cathode ray tube. Tthis excellent set of pages is interactive and is part of HowStuffWorks.com.

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Hits: 4985

Daredevil egg - Marvin and Milo

A Marvin and Milo activity about intertia. All you need is an egg, a glass of water, an empty smarties tube and a placemat.

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Hits: 247

Dennis Gabor

Dennis Gabor (1900 - 1971) work led to the development of a number of devices including: a holographic microscope, an analogue computer, a flat thin colour television tube, and a new type of ...

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Hits: 1549

Make a pinhole camera

Instructions on how to make a pinhole camera out of a pringles tube, and an explanation of how it works.

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Hits: 2051

hyperphysics

Electromagnetic Waves

Description of electromagnetic waves, which move energy through empty space (a vacuum), stored as part of an electric and magnetic field.

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Hits: 2750

Coffee ground physics

Ever thought about how a brick of vacuum packed coffee goes soft as soon as it's opened? Understanding the behaviour of granular materials could help physicists to better understand not only coffee ...

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Hits: 1321

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