Solar Decathlon Solar Decathlon The U.S. Department of Energy (DOE) Solar Decathlon is a collegiate competition, comprising 10 contests, that challenges student teams to design and build highly efficient and innovative buildings powered by renewable energy. The winners will be those teams that best blend design architectural and engineering excellence with innovation, market potential, building efficiency, and smart energy production. In the summer of 2018, DOE merged its two student building design competitions into one Solar Decathlon competition. The combined competition features two tracks, the Design Challenge and the Build Challenge. The Solar Decathlon provides a hands-on experience and unique training that
Essentially contested concept proposed a set of seven conditions for the existence of an essentially contested concept. Gallie was very specific about the limits of his enterprise: it dealt exclusively with abstract, qualitative notions, such as "art", "religion", "science", "democracy", and "social justice" (and, if Gallie’s choices are contrasted with negatively regarded concepts such as "evil", "disease", "superstition", etc., it is clear that the concepts he chose were exclusively positively regarded). Freeden remarks that "not all essentially contested concepts signify valued achievements; they may equally signify disapproved and denigrated phenomena", and Gerring asks us to imagine just how difficult it would be to