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The friction generated by these discs as they are pushed and shoved by the extreme gravitational force is so large that it can produce a tremendous amount of energy, depending on the size of the black hole. While the Sun gives Earth energy through light and heat, the radiation and energy from the accretion discs might prove just as valuable. New research has found that if scientists could find a way to break and rejoin the magnetic field lines of the accretion disc, which is found at the event horizon or the black hole's point of no return, it could provide unlimited power.

 E-Mail A remarkable prediction of Einstein's theory of general relativity--the theory that connects space, time, and gravity--is that rotating black holes have enormous amounts of energy available to be tapped. For the last 50 years, scientists have tried to come up with methods to unleash this power. Nobel physicist Roger Penrose theorized that a particle disintegration could draw energy from a black hole; Stephen Hawking proposed that black holes could release energy through quantum mechanical emission; while Roger Blandford and Roman Znajek suggested electromagnetic torque as a main agen...