Trace Gas Detection (image) The Optical Society Share Print E-Mail Caption A new spectroscopic technique offers ultra-sensitive optical detection of radiocarbon dioxide. The approach shows promise as a measurement tool in many fields, including carbon dating and greenhouse gas detection. Credit Saverio Bartalini, CNR Usage Restrictions None 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.