Rebel sensor (IMAGE) Purdue University Caption The Rebel sensor from WaveLogix improves upon the industry standard to measure concrete strength. WaveLogix has received a six-month SBIR Phase I grant worth $255,996 from the NSF to develop it further. Credit (Image provided by Luna Lu/WaveLogix) Usage Restrictions None 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.