(R)-2-iodobutane (image) ETH Zurich Share Print E-Mail Caption Chiral molecules - compounds that are mirror images of each other -- play an important role in biological processes and in chemical synthesis. Chemists at ETH Zurich have now succeeded for the first time in using ultrafast laser pulses to observe changes in chirality during a chemical reaction in real time. Credit ETH Zurich / Joachim Schnabl Usage Restrictions None Share Print E-Mail 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.