Glowing DraBot (IMAGE) Duke University Caption With the ability to sense changes in pH, temperature and oil, this completely soft robot dubbed "DraBot" could be the prototype for future environmental sentinels. Credit Vardhman Kumar Usage Restrictions None 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.