insole (IMAGE) Rice University Caption Top view of a smart insole that contains transcutaneous electrical nerve stimulation (TENS) fabric electrodes along with a circuit board to control the electrical signals. Credit Photo by Jeff Fitlow/Rice University Usage Restrictions Must credit Jeff Fitlow/Rice University 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.