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Control your own plasma experiment

Remote Glow Discharge Experiment

Get hands on with this experiment you can change over the internet.


How big is the universe?

How Big Is The Universe?

Delightful animation about the size of the universe.


Multiwavelength universe

Multiwavelength Universe: Online Activity

Test your knowledge of what the universe looks like at different wavelengths.


Weird physical phenomenaCheck out all Top 4s

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  • Ask Mr Science

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    Ask Mr Science

    Detailed answers to over 60 questions on a wide variety of scientific subjects. Includes links, diagrams and photos.

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    Hits: 3463 Rated: 5/5 by users

  • Line Rider

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    Line Rider

    A fun toy that lets you build a sledge run and then test it out. You'll need a good feel for the laws of motion to get results!

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    Hits: 4302 Rated: 5/5 by users

  • Fukushima explained

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    Fukushima explained

    Great video explaining the crisis in Fukushima, from what goes on inside a nuclear reactor to why taking iodine or boron can limit the dangers of radiation exposure.

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    Hits: 3869 Rated: 5/5 by users

  • How Mufflers Work

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    How Mufflers Work

    A brief description of how Mufflers reduce the noise produced by car engines. Part of Marshall Brain's The half a dozen pages give the purpose and basic design of a muffler.

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    Hits: 3970 Rated: 5/5 by users

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