Answers.comÂ® is making the world better one answer at a time. The Jeffersonian Institute is fictional research institute in the US television program Bones, based on the real Smithsonian Institution. Mirtala Vargas.
Crowbar (American band) Crowbar is an American sludge metal band from New Orleans, Louisiana, characterized by their extremely slow, low-keyed, heavy and brooding songs that also contain fast hardcore punk passages. Crowbar is considered to be one of the most influential metal bands to come out of the New Orleans metal scene.
Crowbars can be used as any of the three lever classes but the curved end is usually used as a first-class lever, and the flat end as a second class lever. In mining, crowbars are used to break blasted rocks and to remove loose rock on roof sides and the working face, but not as much in modern mining.