<Li> Gauge theory gravity </Li> <Li> Hidden variable theory </Li> <Li> Pilot wave theory </Li> <Tr> <Td> Supersymmetry (show) <Ul> <Li> MSSM </Li> <Li> NMSSM </Li> <Li> Superstring theory </Li> <Li> M - Theory </Li> <Li> Supergravity </Li> <Li> Supersymmetry breaking </Li> </Ul> </Td> </Tr>

When was the construction of the lhc first planned