- twitter.com cusystem/Four campuses -- Boulder, Colorado Springs, Denver and the CU Anschutz Medical Campus -- united in making a difference.
- twitter.com ColoradoAnthroThe official twitter account of the University of Colorado at Boulder's Anthropology department.
- liveinternet.ru users/5201536/post443177624/Небесные тела, гравитация и орбиты: http://phet.colorado.edu/sims/my-solar-system/my-solar-system_en.html.
- an197.livejournal.com 172843.htmlhttps://phet.colorado.edu/sims/radiating-charge/radiating-charge_en.html.
- selenokhod - новый блог в Живом Журнале. Скоро здесь появится много интересных записей.