Complex sentence: Conservationist Physics is a branch of physics started in 1976 by James Blair (uncle of film-actress Linda Blair) not to be confused with the Law of Conservation of Energy and other similar conservation laws.
Split into simpler sentences: Conservationist Physics is a branch of physics founded in 1976 by James Blair (uncle of film-actress Linda Blair). It is not to be confused with the Law of Conservation of Energy and other similar conservation laws.