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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.


Addictive physics gamesCheck out all Top 4s

  • Fe[26]

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    Fuse your way to iron. Be careful, there's one element you should avoid!

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    Hits: 6306 Rated: 3/5 by users

  • CMBR

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    Based on the addictive 2048 game, join the objects and get to the edge of the observable universe!

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    Hits: 4499 Rated: 3/5 by users

  • Particle Clicker

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    Particle Clicker

    Particle Clicker is a game about running your own particle physics laboratory. Hire PhD student, post-docs and even Nobel winners!

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    Hits: 5798 Rated: 3/5 by users

  • Super planet crash

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    Super planet crash

    Drop planets around a star and see how long they last. Score points by placing the planets in the habitable zone. Can you make your solar system last 500 years?

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    Hits: 7810 Rated: 5/5 by users

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  • Black Hole FAQ

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    Black Hole FAQ

    Frequently Asked Questions about Black Holes answered by astronomer Dr. Cathy Imhoff of the Space Telescope Science Institute.

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    Hits: 6132 Rated: 5/5 by users

  • How Horsepower Works

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    How Horsepower Works

    A brief description of how Horsepower works. This site is part of Marshall Brain's The site begins with a historical account and then describe how it can be used in cars.

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    Hits: 3523 Rated: 5/5 by users

  • Be a Martian

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    Be a Martian

    NASA needs your help to map Mars... so what are you waiting for? Citizen science at its best.

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    Hits: 5245 Rated: 5/5 by users

  • What is time?

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    What is time?

    Plusmagazine interviews experts on everything from the beginning of time to time travel.

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    Hits: 8193 Rated: 5/5 by users

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