. "1874Z"^^ . . "(Understand and explain)" . "Intellegite et explicate" . . . . "Institute of Physics"@en . "50,000"@en . "IOP" . . "The Institute of Physics (IOP) is a scientific charity that works to advance physics education, research and application.It has a worldwide membership of around 50,000. The IOP supports physics in education, research and industry."@en . "1874-02-14Z"^^ .