Dark energy and dark matter are described as different manifestations of vacuum energy within Rute’s framework of dimensional symmetry and gravity. In this framework, the bare vacuum energy component exists in a gravitationally inert state where actual gravitational constant Go= 0G, while real particles oscillates between this inert state and the active state where Go = 2G. The background effect of neutrino substrates in the inert state makes Go > 0G in such state, causing the gravitation of virtual particles with positive pressure appearing as hot and cold dark matter. A non zero component of vacuum energy from the inert state also spills into the gravitationally active state as a cosmological constant form of dark energy. This is due to an energy density constraint and speed limit asymmetry between the two gravitational states that limits the capacity of the inert state to contain all the vacuum energy component. This form of dark energy and dark matter, are parameterized by a common asymmetry parameter Γ which is suppressed in deep gravitational potential wells. The dynamics of this form of dark matter however, is complicated by the flavour and energy dependent parameters of its neutrino substrate resulting in the existence of heavy and light dark matter categories. Rute predicts a curvature supressed Gravitational Wave Reheating (GWR) mechanism in which gravitational waves produce electromagnetic secondaries in the presence of negative pressure such as that from strong magnetic fields and even dark energy. This mechanism may explain Fast Radio Bursts (FRBs) and some other mystery radio signals. Two space based experiments to test GWR and to detect heavy dark matter are briefly discussed.