фізика
https://phet.colorado.edu/uk/simulations/filter?subjects=physics&type=html,prototype
http://manlab.inhost.com.ua/videoexperimetn/physics.html
Algodoo
https://phet.colorado.edu/uk/simulations/filter?subjects=physics&type=html,prototype
http://manlab.inhost.com.ua/videoexperimetn/physics.html
Algodoo