Van der Waals Interaction per Atom (IMAGE) Forschungszentrum Juelich Caption The force on each single atom in the molecule increases with the size of the molecule. Credit Source: Forschungszentrum Jülich Usage Restrictions Image may only be used with approprate credit. Image may only be used in conjunction with media reports about Forschungszentrum Jülich. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.