NIST 'Micro Drum' Chip (image) National Institute of Standards and Technology (NIST) Share Print E-Mail Caption Multiple versions of NIST's superconducting circuit containing a "micro drum" were fabricated on this sapphire chip, shown next to a penny for scale. NIST scientists cooled one such drum to the lowest possible energy level, the quantum ground state. Credit Teufel/NIST Usage Restrictions Please use proper credit 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.