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By Dr. Hugh Ross
Many people use quantum gravity as a loophole for avoiding the conclusion that a Creator must have intervened from beyond space and time to create the universe. (There are excellent theoretical rebuttals to such speculations that I will report on in future articles.) A recent breakthrough shows the possibility of observational testing in this area. Thanks to new observations of distant quasars and blazers at short wavelengths, astronomers have placed strong constraints on quantum gravity speculations.
What Is Quantum Gravity?
Everything we can know and measure about the universe from the present all the way back to when the universe was just 10-35 seconds old reveals that gravity dominates the dynamics of the universe. Physicists are designing theories to cope with conditions before the universe was even 10-43 seconds old (less than a quadrillionth-quadrillionth-trillionth second). At 10-43 seconds, the force of gravity within the universe becomes comparable to the strong nuclear force. (The strong nuclear force holds protons and neutrons together in the nucleus of the atom.) Before this epoch in the history of the universe, gravity may possibly be modified by quantum mechanical effects. Hence this early stage of the universe is called the quantum gravity era.
Since the energy densities that exist during the quantum gravity era lie far beyond the capabilities of even the most powerful particle accelerators (a particle accelerator longer than 50 times the distance to the most distant galaxy in the universe is needed), many theoreticians have presumed, therefore, that they are free to speculate any physical conditions, or, for that matter, any physical laws they desire. However, since such physics is obviously beyond “the possibility of observational verification,” it would by definition fall outside the realm of science and into the realm of metaphysics…
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