Ballbot-type chain of molecules (IMAGE) University of Münster Caption Side view of the structure – optimised using quantum mechanics density functional theory – of a ballbot-type chain of molecules Credit Münster University – Doltsinis Group Usage Restrictions The use of the illustration is only permitted in connection with this press release and with reference to the source. License Original 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.