AIChE and Chem-E-Car
The student chapter of the American Institute of Chemical Engineers (AIChE) promotes academic excellence in the field of chemical engineering and provides opportunities for students to connect with one another, department faculty, industry representatives, and the local community. For more information on how to get involved, please visit AIChE at Ohio State.
Chem-E-Car is an AIChE-affiliated competition where student teams from universities/colleges across the country compete against one another to design and create a "car" that is propelled and stopped solely by chemical means (Source: AIChE). Ohio State's team has performed exceptionally well over the last several years with strong finishes at both regionals and nationals.
OSU's current car is powered by fuel cells (zinc chloride batteries) and uses a reaction between sodium thiosulfate and hydrogen chloride as the stopping mechanism. The reaction produces a cloudy solution whichs cuts the transmission of the laser beam which in turn stops the car. See the Chem-E-Car team compete at the 2013 Regionals in Cincinnati!