Discover Magazine
Tests could reveal whether we are part of a giant computer simulation — but the real question is if we want to know..
In the 1999 sci-fi film classic The Matrix, the
protagonist, Neo, is stunned to see people defying the laws of physics,
running up walls and vanishing suddenly. These superhuman violations of
the rules of the universe are possible because, unbeknownst to him,
Neo’s consciousness is embedded in the Matrix, a virtual-reality
simulation created by sentient machines.
The action really begins when Neo is given a fateful
choice: Take the blue pill and return to his oblivious, virtual
existence, or take the red pill to learn the truth about the Matrix and
find out “how deep the rabbit hole goes.”
Physicists can now offer us the same choice, the ability
to test whether we live in our own virtual Matrix, by studying radiation
from space. As fanciful as it sounds, some philosophers have long
argued that we’re actually more likely to be artificial intelligences
trapped in a fake universe than we are organic minds in the “real” one.
But if that were true, the very laws of physics that allow
us to devise such reality-checking technology may have little to do
with the fundamental rules that govern the meta-universe inhabited by
our simulators. To us, these programmers would be gods, able to twist
reality on a whim.
So should we say yes to the offer to take the red pill and learn the truth — or are the implications too disturbing?
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