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Understanding Simulated Universes | StarTalk


now Brian green he’s best known to the

now Brian green he’s best known to the public for popularizing string theory

public for popularizing string theory

public for popularizing string theory and his earliest book the elegant

and his earliest book the elegant

and his earliest book the elegant universe was a mega bestseller back in

universe was a mega bestseller back in

universe was a mega bestseller back in 1999 and it was followed up with a book

1999 and it was followed up with a book

1999 and it was followed up with a book called the fabric of the cosmos space

called the fabric of the cosmos space

called the fabric of the cosmos space time and the texture of reality now

time and the texture of reality now

time and the texture of reality now that’s that touches on so much and it it

that’s that touches on so much and it it

that’s that touches on so much and it it enables him to think about so many

enables him to think about so many

enables him to think about so many interesting branches of physics that

interesting branches of physics that

interesting branches of physics that intrigue us and in 2003 there’s a paper

intrigue us and in 2003 there’s a paper

intrigue us and in 2003 there’s a paper published by a philosopher from the

published by a philosopher from the

published by a philosopher from the University of Oxford on whether or not

University of Oxford on whether or not

University of Oxford on whether or not the universe is a simulation and I had

the universe is a simulation and I had

the universe is a simulation and I had to ask Brian Greene if he thought this

to ask Brian Greene if he thought this

to ask Brian Greene if he thought this could actually be possible just to get

could actually be possible just to get

could actually be possible just to get it get a professional opinion on this

it get a professional opinion on this

it get a professional opinion on this let’s find out if it’s the case that one

let’s find out if it’s the case that one

let’s find out if it’s the case that one day we can have computers that can

day we can have computers that can

day we can have computers that can recreate a reality in bits and bytes

recreate a reality in bits and bytes

recreate a reality in bits and bytes that has such verisimilitude that their

that has such verisimilitude that their

that has such verisimilitude that their inhabitants of the simulations that feel

inhabitants of the simulations that feel

inhabitants of the simulations that feel that it’s real if that’s possible I

that it’s real if that’s possible I

that it’s real if that’s possible I think many of us agree that it might be

think many of us agree that it might be

think many of us agree that it might be we’re getting closer Eddie does let’s

we’re getting closer Eddie does let’s

we’re getting closer Eddie does let’s assume that’s possible it’s so much

assume that’s possible it’s so much

assume that’s possible it’s so much easier to create a simulation than it is

easier to create a simulation than it is

easier to create a simulation than it is to create a real universe I mean how you

to create a real universe I mean how you

to create a real universe I mean how you going to create a real universe so if

going to create a real universe so if

going to create a real universe so if you wait long enough they’re going to be

you wait long enough they’re going to be

you wait long enough they’re going to be many many more simulated universes and

many many more simulated universes and

many many more simulated universes and there are real ones so any sentient

there are real ones so any sentient

there are real ones so any sentient being if they’re rational would think

being if they’re rational would think

being if they’re rational would think that the odds are that they’re in one of

that the odds are that they’re in one of

that the odds are that they’re in one of those simulations because there’s so

those simulations because there’s so

those simulations because there’s so many more of those compared to real

many more of those compared to real

many more of those compared to real statistically you’re in the simulator

statistically you’re in the simulator

statistically you’re in the simulator one not the real one yeah yeah exactly

one not the real one yeah yeah exactly

one not the real one yeah yeah exactly so how do you know and it would be very

so how do you know and it would be very

so how do you know and it would be very hard I mean some have suggested sort of

hard I mean some have suggested sort of

hard I mean some have suggested sort of like in the matrix look for glitches

like in the matrix look for glitches

like in the matrix look for glitches like real universes don’t have glitches

like real universes don’t have glitches

like real universes don’t have glitches but computers can have them but I said

but computers can have them but I said

but computers can have them but I said that which is because uh presumably a

that which is because uh presumably a

that which is because uh presumably a fallible entity programs that it could

fallible entity programs that it could

fallible entity programs that it could be that it could be that it could also

be that it could be that it could also

be that it could be that it could also be there’s a electric current glitch

be there’s a electric current glitch

be there’s a electric current glitch that happens in the real universe and

that happens in the real universe and

that happens in the real universe and screws up what’s happening inside the

screws up what’s happening inside the

screws up what’s happening inside the computer but I don’t buy that argument

computer but I don’t buy that argument

computer but I don’t buy that argument because if it’s a really good simulation

because if it’s a really good simulation

because if it’s a really good simulation it should be able to rewind erase the

it should be able to rewind erase the

it should be able to rewind erase the memory of a glitch fix it and then the

memory of a glitch fix it and then the

memory of a glitch fix it and then the simulated beings have no memory of it

simulated beings have no memory of it

simulated beings have no memory of it ever happening

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