Watch water form (VIDEO) Northwestern University This video is under embargo. Please login to access this video. Caption Watch water bubbles appear and grow at the surface of a palladium nanocube. Scale bar equals 20 nanometers. Credit Vinayak Dravid/Northwestern University Usage Restrictions add credit 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.