Are We Living in a Simulation? by Gregory Benford
Gregory Benford is an American science fiction author and astrophysicist who is on the faculty of the Department of Physics and Astronomy at the University of California, Irvine. He is also a contributing editor of Reason magazine.
Could our entire universe have been created by a super-intelligent species, just like computer scientists write software to simulate chemical reactions or the weather? It may sound silly, but with the exponential increase in computing power, it could be conceivable? And if for humans, why not for others? If our universe were a simulation, how could we tell?