Heat is a powerful force that can affect a material in many ways. For example, almost all solid materials when heated, inevitably expand. It is only in very rare instances certain materials do the opposite and actually shrink when heated. It is this class of “metamaterials” a team of engineers are interested in. (Learn more: http://news.mit.edu/2016/3-d-printed-…) Watch more videos from MIT: http://www.youtube.com/user/MITNewsOf… The Massachusetts Institute of Technology is an independent, coeducational, privately endowed university in Cambridge, Massachusetts. Our mission is to advance knowledge; to educate students in science, engineering, and technology; and to tackle the most pressing problems facing the world today. We are a community of hands-on problem-solvers in love with…