@article {837241, title = {Hydrogel-Actuated Integrated Responsive Systems (HAIRS): Moving towards Adaptive Materials}, journal = {Current Opinion in Solid State \& Materials Science}, volume = {15}, year = {2011}, note = {This work was supported by the US Department of Energy, Of- fice of Basic Energy Sciences, Division of Materials Sciences and Engineering under Award $\#$DE-SC0005247 (design and fabrication of HAIRS, HAIRS in liquid); by US Army Research Office Multidisci- plinary University Research Initiative (ARO/MURI) under Award $\#$W911NF-04-1-0476 (STEPS); by US Air Force Office of Scientific Research Multidisciplinary University Research Initiative (AFOSR/ MURI) under Award $\#$FA9550-09-1-0669 (directional actuation and optical properties).}, pages = {236-245}, doi = {10.1016/j.cossms.2011.05.004}, author = {Kim, P. and L. D. Zarzar and He, X. and Grinthal, A. and Aizenberg, J.} }