The Brown Wireless Device (image) Brown University Share Print E-Mail Caption The wireless device enables transmission of full broadband brain signals while consuming a small amount of power. Batteries last for up to 36 hours. Credit Nurmikko Lab / Brown University Usage Restrictions None Share Print E-Mail 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.