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Han, Li-Hsin; Wu, Shaomin; Condit, J. Christopher; Kemp, Nate J.; Milner, Thomas E.; Feldman, Marc D.; Chen, Shaochen . (2010). Light-powered micromotor driven by geometry-assisted, asymmetric photon-heating and subsequent gas convection. Applied Physics Letters, 96(21), 213509–. doi:10.1063/1.3431741 
10.1063/1.3431741