We might live in a computer program, but it may not matter

From Philip Ball at BBC Earth:

Several physicists have suggested that our Universe is not real and is instead a giant simulation. Should we care?

Are you real? What about me?

These used to be questions that only philosophers worried about. Scientists just got on with figuring out how the world is, and why. But some of the current best guesses about how the world is seem to leave the question hanging over science too.

Several physicists, cosmologists and technologists are now happy to entertain the idea that we are all living inside a gigantic computer simulation, experiencing a Matrix-style virtual world that we mistakenly think is real.

Our instincts rebel, of course. It all feels too real to be a simulation. The weight of the cup in my hand, the rich aroma of the coffee it contains, the sounds all around me – how can such richness of experience be faked?

But then consider the extraordinary progress in computer and information technologies over the past few decades. Computers have given us games of uncanny realism – with autonomous characters responding to our choices – as well as virtual-reality simulators of tremendous persuasive power.

It is enough to make you paranoid.

 

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Image Credit:   1. Kristoffer Tripplaar/Alamy  2. Take 27 Ltd/Science Photo Library  3. Patrick Landmann/Science Photo Library

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2018-03-22T14:36:05+00:00

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