Deprecated: mysql_pconnect(): The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead in /home/dcz25x0vfkvf/public_html/Connections/bscon1.php on line 9 Applied Physics
49 A continuous-wave room-temperature maser is demonstrated by combining a cavity with a high Purcell factor with the narrow linewidth of nitrogen–vacancy defect centres in diamond. https://www.nature.com/articles/nature25970