Simulating on screen with a 3D image very explicitly, the explosion of a flammable chemical and its impact on the neighborhood is the goal of a software developed by the french Cleantech company named Sillages Environment. Created last September by Lionel Soulhac, Sillages Environnement developed a software allowing people in positions of “decision” to understand, visualize and map an area of risk, by ensuring the rigor of scientific data.