PhETsims will always be free, but we need your help.
Support PhET during our annual campaign.
Donate here. Or by clicking on the Donate Now button at phet.colorado.edu.
Other posts byPhET Team
by PhET Team posted inGeneral
Many thanks to PhET team! I believe those who currently make their first steps in science with the help of these sims will never forget this and will do their best to support, so far I will do my best as well.
You must be logged into post a comment.
PhET Blog is proudly powered by WordPress
and Comments (RSS).
1.7 created by WP