Floating - Sinking is an educational simulation software distributed freely under the terms of GNU-GPL.
It was first created to support the instructional unit created for the Material Science project by the Univeristy of Western Macedonia team. Later on new features have been added that enable users to write scenarios for new instructional units using the software's API.
The main file of the software (gmk) is created using Game Maker and requires GMPhysics library. The settings and scenario files are all plain text.
Developement team: Kaskalis Theodore, Arvanitakis Giannis