Wrench 1.7 Nanometers Wide (IMAGE) University of Vermont Caption A blue wrench (of molecules) to adjust a green bolt (a pillarene ring) that binds a yellow chemical "guest." It's a new tool -- just 1.7 nanometers wide -- that could help scientists catalyze and create a host of useful new materials. Credit Severin Schneebeli, UVM Usage Restrictions with coverage of associated story 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.