A Playable Chessboard (IMAGE) DOE/Sandia National Laboratories Caption A playable chessboard -- (just left of center in the image above) is one of the numerous components on the Texas Tech winning entry in this year's MEMS challenge. Credit Sandia National Laboratories Usage Restrictions Educational and news use 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.