electricity rushing / lowest attainable energy level / high energy region / thermal energy level / lower energy region / lowest possible gravitational energy state / time-collapsed matter-energy / forbidden energy barrier / minimum energy state / energy state / away energy / real-time energy / mass-energy / kinetic energy / lowest allowable energy level / squeezes-out energy / matter-energy combination / satisfying solution / lowest possible temperature energy level / matter-energy / converted energy sum / energy content / low energy region / lowest potential energy area / gravitational potential energy / energy / /