Teaching Nano to Swim
Tuesday, October 14, 2008 - 15:21
in Physics & Chemistry
(PhysOrg.com) -- Ayusman Sen, head of the Department of Chemistry at Penn State, makes tiny, metallic objects do something extraordinary -- he makes them swim. Sen's work is driven by catalysis, the chemical phenomenon whereby a substance accelerates a chemical reaction but emerges unchanged at the end of the process.