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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.

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How big is the universe?

How Big Is The Universe?

Delightful animation about the size of the universe.

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Multiwavelength universe

Multiwavelength Universe: Online Activity

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

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Addictive physics gamesCheck out all Top 4s

  • Fe[26]

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    Fe[26]

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

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    Hits: 2241 Rated: 3/5 by physics.org users

  • CMBR

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    CMBR

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

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    Hits: 1487 Rated: 3/5 by physics.org 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: 2160 Rated: 3/5 by physics.org 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: 3083 Rated: 5/5 by physics.org users


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  • hyperphysics

    Centripetal Force

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    Centripetal Force

    Description of this force with links to related topics.

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    Hits: 1868 Rated: 5/5 by physics.org users

  • hyperphysics

    Friction

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    Friction

    Frictional resistance to the relative motion of two solid objects is usually proportional to the force which presses the surfaces together as well as the roughness of the surfaces. Since it is the force perpendicular or "normal" to the surfaces which affe

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    Hits: 2404 Rated: 5/5 by physics.org users

  • Elementary Particles

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    Elementary Particles

    Until 1931, the "elementary" particles were the electron, proton, and neutron. We now know of hundreds of other elementary particles. This site give a brief glimpse into all the various forms of particles.

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    Hits: 3686 Rated: 5/5 by physics.org users

  • hyperphysics

    Surface Tension

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    Surface Tension

    The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension.

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    Hits: 3928 Rated: 5/5 by physics.org users


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