Pancreatic tumor (IMAGE) Purdue University Caption Purdue engineers built a "time machine," or microfluidic pancreatic tumor device, that simulates tumor growth over time. Credit Purdue University/Jared Pike 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.