October 2016. Heidi builds a goniometer. October 2015. "Lab Horrors and Counterspells" ... The Klausen Lab's entry in the Department's Halloween Door Decorating Contest. Group Photo, December 2014. L to R: Sravan, Bekka, Eric, Heidi, Carlton, Moshe, Tyler. November 2014. Heidi and Sravan visit the Loo Group (Princeton University) clean room. Group Photo, August 2014. L to R: Sravan, Ming-Ling, Adeolu, Bekka, Heidi, Moshe.