How do polymers turn into plastic products, plastic waste or microplastics? What is the difference between primary and secondary microplastics? When was polyethylene invented? And what are elastomers? Answers to these and many other questions can be found in our new digital-real education space for waters without microplastics WASoMI (in German WASser ohne MIkroplastik = WASoMI) - open to everyone, free of charge and without advertising.