Photo of quantum thermometer (IMAGE) Chalmers University of Technology Caption The new quantum thermometer on a chip, in the foreground. It is probably the world's fastest and most sensitive thermometer for measuring temperature at the cold end of a waveguide at the millikelvin scale, according to the Chalmers researchers. Credit Claudia Castillo Moreno/Chalmers University of Technology Usage Restrictions For media purpose only 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.