Joseph BelBruno, Dartmouth College (IMAGE) Dartmouth College Caption Professor of chemistry Joseph BelBruno's Dartmouth lab conducted the research on the technology behind the unique secondhand smoke sensing device. Credit Eli Burakian, Dartmouth Usage Restrictions None 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.