Quantum Biosensor (IMAGE) Purdue University Caption The black rectangle beneath these gold rungs is a new quantum material capable of "listening" to the brain by grabbing atoms, which the brain naturally uses to communicate. Credit Purdue University image/Hai-Tian Zhang 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.