Up top, you'll find indicators for Dolby Headphone, Dolby Digital EX, Dolby Pro Logic IIx and Dolby Digital -- these let you know which surround sound simulation, if any, is currently being pushed to the headset.

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Ergo, if our universe is just a simulation, there should be a cut off in the spectrum of high energy particles, and low and behold, there is -- the Greisen-Zatsepin-Kuzmin or GZK cut off.

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For example, a page describing the damage caused to the state's highways by overweight vehicles will include an interactive video simulation of vehicle characteristics to help viewers determine if their own trucks are illegal.

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And if you believe that you do you are exposing yourself to the lure of simulation entrapment.

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Where much historical fiction gets entangled in the simulation of historical authenticity, Mantel bypasses those knots of concoction, and proceeds as if authenticity were magic rather than a science.

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