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Physics Education Technology - University of Colorado, Boulder
PhET Blog

Archive for May, 2011

May 2011 Newsletter

Screenshot of the May 2011 PhET newsletter

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May 31


Thank You Idaho Digital Learning

Idaho Digital Learning logo

Thanks Idaho Digital Learning for supporting PhET through a generous donation. If you want to become a sponsor, go to CU Foundation PhET Project Fund. Or, e-mail Depending upon the level of sponsorship, your logo can appear on our website which has had over 15 million sims downloaded last year!


May 24


New Isotope and Atomic Mass Sim

Isotope and Atomic Mass

Are all atoms of a given element the same? How can you tell one isotope from another? Learn about isotopes, and about how to calculate the average atomic mass of an element.


May 18


New Bending Light Sim

Bending Light

Explore bending of light between two mediums with different indices of refraction. See how changing from air to water to glass changes the bending angle. Play with prisms of different shapes and make rainbows.


May 12


PhET Podcast Now on iTunes

Check out our podcast at
Are there ideas that you’d like to see in podcasts? Let us know.


May 7