Is it imaginable to harness energy from black holes? It turns out like an absurd thought, however physicists have lengthy contemplated whether or not black holes might be tapped for energy someday.
Physicists from Columbia University now made it imaginable. They have discovered a brand new strategy to extract energy from black holes.
Physicists counsel that it’s imaginable to extract energy from black holes by means of breaking and rejoining magnetic box traces close to the development horizon, the purpose from which not anything, no longer even mild, can get away the black hollow’s gravitational pull.
Luca Comisso, a analysis scientist at Columbia University and primary writer at the learn about, stated, “Black holes are commonly surrounded by a hot ‘soup’ of plasma particles that carry a magnetic field. Our theory shows that when magnetic field lines disconnect and reconnect, in just the right way, they can accelerate plasma particles to negative energies, and large amounts of black hole energy can be extracted.”
“This finding could allow astronomers to estimate the spin of black holes better, drive black hole energy emissions, and might even provide a source of energy for the needs of an advanced civilization.”
Physicists built their concept at the premise that reconnecting magnetic fields speeds up plasma debris in two distinct techniques. One plasma go with the flow is driven towards the black hollow’s spin, whilst the opposite is impelled the spin’s route and can escape from the clutches of the black hollow, which releases energy if the plasma gulped by means of the black hollow has damaging energy.
Plasma as regards to the development horizon about to be wolfed by means of a rotating black hollow. © CLASSICAL AND QUANTUM GRAVITY, 2015. REPRODUCED BY PERMISSION OF IOP PUBLISHING
Comisso stated, “It can happen in a region called the ergosphere, where the spacetime continuum rotates so fast that every object spins in the same direction as the black hole.”
The ergosphere is the area situated outdoor a rotating black hollow, during which magnetic reconnection is excessive sufficient that plasma debris are sped up to velocities drawing near the rate of sunshine.
Felipe Asenjo from Universidad Adolfo Ibanez in Chile stated, “The high relative velocity between captured and escaping plasma streams allows the process to extract massive amounts of energy from the black hole.”
“We calculated that the process of plasma energization could reach an efficiency of 150 percent, much higher than any power plant operating on Earth. Achieving an efficiency greater than 100 percent is possible because black holes leak energy, which is given away for free to the plasma escaping from the black hole.”
According to physicists, this means of energy extraction may already be happening in different black holes. And, that can be the explanation at the back of black hollow flares.
Asenjo stated, “Our increased knowledge of how magnetic reconnection occurs in the vicinity of the black hole might be crucial for guiding our interpretation of current and future telescope observations of black holes, such as the ones by the Event Horizon Telescope.”
The learn about, Magnetic reconnection as a mechanism for energy extraction from rotating black holes, used to be funded by means of the National Science Foundation’s Windows at the Universe initiative, NASA, and Chile’s National Fund for Scientific and Technological Development.
Vyacheslav (Slava) Lukin, a program director at NSF, stated, “The ideas and concepts discussed in this work are truly fascinating. We look forward to the potential translation of seemingly esoteric studies of black hole astrophysics into the practical realm.”
Luca Comisso and Felipe A. Asenjo. Magnetic reconnection as a mechanism for energy extraction from rotating black holes. Phys. Rev. D, 2021 DOI: 10.1103/PhysRevD.103.023014