criminal we're looking for a low-key A
criminal we're looking for a low-key A

variation of this guy in the Disney plus
variation of this guy in the Disney plus

series Loki the god of Mischief is
series Loki the god of Mischief is

arrested for Time Crimes guilty of a
arrested for Time Crimes guilty of a

crime against the sacred timeline
crime against the sacred timeline

absolutely not you have the wrong person
absolutely not you have the wrong person

this confirms there's a Multiverse in
this confirms there's a Multiverse in

the Marvel Cinematic Universe an idea
the Marvel Cinematic Universe an idea

that's been teased in previous movies
that's been teased in previous movies

the next Doctor Strange movie is even
the next Doctor Strange movie is even

called the Multiverse of Madness but are
called the Multiverse of Madness but are

there real scientific theories behind
there real scientific theories behind

this fictional Multiverse I'm Professor
this fictional Multiverse I'm Professor

Michio okaku professor of theoretical
Michio okaku professor of theoretical

physics let's break down the Marvel
physics let's break down the Marvel

Multiverse
Multiverse

foreign
foreign

in the first episode of the series Loki
in the first episode of the series Loki

goes to time jail and is subjected to
goes to time jail and is subjected to

this adorable cartoon orientation video
this adorable cartoon orientation video

for Supremacy but then the all-knowing
for Supremacy but then the all-knowing

timekeepers emerged bringing Peace by
timekeepers emerged bringing Peace by

reorganizing the Multiverse into a
reorganizing the Multiverse into a

sacred timeline when you watch this clip
sacred timeline when you watch this clip

you say to yourself ah come on I mean
you say to yourself ah come on I mean

this is just a cartoon it's science
this is just a cartoon it's science

fiction but believe it or not elements
fiction but believe it or not elements

of that are actually encoded in the laws
of that are actually encoded in the laws

of physics we do believe that at the
of physics we do believe that at the

beginning of time there was chaos all
beginning of time there was chaos all

these World lines colliding Quantum
these World lines colliding Quantum

fluctuations taking place everywhere and
fluctuations taking place everywhere and

out of that kmr classical World our
out of that kmr classical World our

Newtonian World Isaac Newton said that
Newtonian World Isaac Newton said that

time is like an arrow it fires in One
time is like an arrow it fires in One

Direction never deviates Einstein comes
Direction never deviates Einstein comes

along and says no the timeline is not an
along and says no the timeline is not an

arrow it's a river
arrow it's a river

a river that can speed up and slow down
a river that can speed up and slow down

the quantum theory says the river of
the quantum theory says the river of

time can Fork into many rivers to create
time can Fork into many rivers to create

parallel realities we Branch off
parallel realities we Branch off

continually every time we make a motion
continually every time we make a motion

every time we move there could be a
every time we move there could be a

universe where you have a twin brother
universe where you have a twin brother

or a twin sister Another Universe where
or a twin sister Another Universe where

you could be a billionaire Another
you could be a billionaire Another

Universe where you could be a mass
Universe where you could be a mass

murderer and believe it or not you can
murderer and believe it or not you can

calculate that number using quantum
calculate that number using quantum

mechanics all we physicists can do is
mechanics all we physicists can do is

calculate the probabilities that these
calculate the probabilities that these

universes can exist but our universe the
universes can exist but our universe the

so-called secret timeline is the common
so-called secret timeline is the common

sense Universe the universe of Newton it
sense Universe the universe of Newton it

is the dominant timeline which is
is the dominant timeline which is

singled out in Marvel Comics according
singled out in Marvel Comics according

to Marvel Comics a few of these variants
to Marvel Comics a few of these variants

that deviate from our timeline can
that deviate from our timeline can

really mess things up and create another
really mess things up and create another

big bang of some sort where these
big bang of some sort where these

multiverses collide right but does the
multiverses collide right but does the

Multiverse really look like a bunch of
Multiverse really look like a bunch of

squiggly lines there are two ways of
squiggly lines there are two ways of

visualizing the Multiverse one way is to
visualizing the Multiverse one way is to

look at this long timeline where we have
look at this long timeline where we have

the pass the present and the future and
the pass the present and the future and

like a tree branches keep coming off
like a tree branches keep coming off

there's another way of looking at it and
there's another way of looking at it and

Einstein says that our universe is a
Einstein says that our universe is a

bubble expanding that peels off a baby
bubble expanding that peels off a baby

bubble or perhaps two bubbles Collide
bubble or perhaps two bubbles Collide

giving you a bigger bubble and we think
giving you a bigger bubble and we think

that is the Big Bang most of these
that is the Big Bang most of these

bubbles pop into existence and pop right
bubbles pop into existence and pop right

back into the vacuum never to be seen
back into the vacuum never to be seen

again and so the vacuum that is a state
again and so the vacuum that is a state

of nothingness is TB with bubble
of nothingness is TB with bubble

universes being created and destroyed
universes being created and destroyed

and that's why Stephen Hawking called it
and that's why Stephen Hawking called it

the space-time foam out of this
the space-time foam out of this

space-time foam the chaos of all these
space-time foam the chaos of all these

different timelines one bubble just kept
different timelines one bubble just kept

on going and that is our universe or in
on going and that is our universe or in

the Marvel language the sacred timeline
the Marvel language the sacred timeline

the Newtonian world that we see around
the Newtonian world that we see around

us all right so surprisingly Marvel's
us all right so surprisingly Marvel's

Cinematic Universe and contemporary
Cinematic Universe and contemporary

physics theories seem to align here but
physics theories seem to align here but

where do they deviate it deviates on the
where do they deviate it deviates on the

question of the TVA on behalf of the
question of the TVA on behalf of the

time variance Authority I hereby arrest
time variance Authority I hereby arrest

you for crimes against the sacred
you for crimes against the sacred

timeline the DVA are time cops they are
timeline the DVA are time cops they are

the time variance authorities they pick
the time variance authorities they pick

out variants who will create their own
out variants who will create their own

timeline which will gum up the works and
timeline which will gum up the works and

create a collision between multiverses
create a collision between multiverses

well to the best of knowledge there is
well to the best of knowledge there is

no TVA we are from the future right
no TVA we are from the future right

what is the TV I mean it's from the
what is the TV I mean it's from the

future it sounds from the future pretty
future it sounds from the future pretty

futurey right so what about time travel
futurey right so what about time travel

then there's a lot of time travel
then there's a lot of time travel

happening in Loki and in the Marvel
happening in Loki and in the Marvel

movies is it even possible I have no
movies is it even possible I have no

idea when we're talking about time
idea when we're talking about time

travel here either it's all a joke or
travel here either it's all a joke or

none of it is according to Einstein's
none of it is according to Einstein's

general theory of relativity time travel
general theory of relativity time travel

is possible we're good and in fact now
is possible we're good and in fact now

we have scores of solutions of
we have scores of solutions of

Einstein's equations which allow for
Einstein's equations which allow for

time travel so this is an active area of
time travel so this is an active area of

theoretical research the quantum theory
theoretical research the quantum theory

resolves the whole Paradox question of
resolves the whole Paradox question of

what happens if you alter the past to
what happens if you alter the past to

make the future impossible the answer is
make the future impossible the answer is

you've simply altered somebody else's
you've simply altered somebody else's

universe if you go backwards in time to
universe if you go backwards in time to

save Abraham Lincoln from being
save Abraham Lincoln from being

assassinated at the Ford Theater you
assassinated at the Ford Theater you

saved somebody else's Abraham Lincoln
saved somebody else's Abraham Lincoln

who looks just like your Abraham Lincoln
who looks just like your Abraham Lincoln

but your Lincoln died your timeline is
but your Lincoln died your timeline is

not altered you've altered somebody
not altered you've altered somebody

else's timeline because the river of
else's timeline because the river of

time has forked into two rivers so
time has forked into two rivers so

Marvel is taking some liberties with the
Marvel is taking some liberties with the

physics of time travel let's take a step
physics of time travel let's take a step

back and see how the Multiverse idea was
back and see how the Multiverse idea was

first introduced early on in the MCU
first introduced early on in the MCU

everything is connected
everything is connected

all nine Realms all nine Realms are
all nine Realms all nine Realms are

passing through each other and gravity
passing through each other and gravity

light and even matter is crashing from
light and even matter is crashing from

one world to the other when you first
one world to the other when you first

see this scene out of the Thor movies
see this scene out of the Thor movies

you say to yourself ah come on give me a
you say to yourself ah come on give me a

break this is just gobbled the from
break this is just gobbled the from

some Hollywood scriptwriter's
some Hollywood scriptwriter's

imagination but actually there's some
imagination but actually there's some

physical basis to reality in what he
physical basis to reality in what he

said in Thor Comics we have the nine
said in Thor Comics we have the nine

Realms nine universes in physics we have
Realms nine universes in physics we have

nine spatial dimensions and one time
nine spatial dimensions and one time

Dimension and so having nine Realms in
Dimension and so having nine Realms in

Thor would correspond to the nine
Thor would correspond to the nine

dimensions of space in string theory
dimensions of space in string theory

according to Marvel Comics one dimension
according to Marvel Comics one dimension

has the Earth on it and another
has the Earth on it and another

dimension has Asgard and what connects
dimension has Asgard and what connects

the two is the bifrost bridge the tunnel
the two is the bifrost bridge the tunnel

connecting parallel universes it is the
connecting parallel universes it is the

Einstein Rosen bridge in 1935 Albert
Einstein Rosen bridge in 1935 Albert

Einstein wrote a paper with his student
Einstein wrote a paper with his student

Nathan Rosen connecting two black holes
Nathan Rosen connecting two black holes

together a black hole is like a funnel
together a black hole is like a funnel

you take one funnel take the other
you take one funnel take the other

funnel upside down join them together
funnel upside down join them together

and then you have a bridge connecting
and then you have a bridge connecting

two parallel universes
two parallel universes

any questions yeah can I have my shoe
any questions yeah can I have my shoe

back in Spider-Man far from home
back in Spider-Man far from home

Mysterio lies about being from another
Mysterio lies about being from another

Universe there are multiple realities
Universe there are multiple realities

Peter this is Earth Dimension 616.
Peter this is Earth Dimension 616.

you're saying there's a Multiverse but
you're saying there's a Multiverse but

Peter's mind is blown if you read
Peter's mind is blown if you read

Spider-Man comics you know that Peter
Spider-Man comics you know that Peter

Parker is a nerd his true love is
Parker is a nerd his true love is

science and he uses science to defeat
science and he uses science to defeat

his enemies it completely changes how we
his enemies it completely changes how we

understand the initial Singularity we're
understand the initial Singularity we're

talking about an eternal inflation
talking about an eternal inflation

system and how does that even work with
system and how does that even work with

all the quantum
all the quantum

Eternal inflation that's an actual
Eternal inflation that's an actual

theory in cosmology the theory basically
theory in cosmology the theory basically

says that big bangs happen all the time
says that big bangs happen all the time

even as we are speaking multiverses are
even as we are speaking multiverses are

being created that's called internal
being created that's called internal

inflation inflation is basically the
inflation inflation is basically the

creation of a baby universe but these
creation of a baby universe but these

baby universes are being created all the
baby universes are being created all the

time in this bubble bath of universes
time in this bubble bath of universes

each universe is perhaps with the laws
each universe is perhaps with the laws

of physics slightly altered with the
of physics slightly altered with the

flow of time slightly different you can
flow of time slightly different you can

go to any physics conference where we
go to any physics conference where we

have Nobel laureates directors of major
have Nobel laureates directors of major

Laboratories talking about cosmology and
Laboratories talking about cosmology and

they'll say that yes Eternal inflation
they'll say that yes Eternal inflation

this Multiverse idea is the dominant
this Multiverse idea is the dominant

theory in cosmology today this year this
theory in cosmology today this year this

universe is only one
universe is only one

and talk about the Marvel Multiverse
and talk about the Marvel Multiverse

without mentioning the sorcerer Supreme
without mentioning the sorcerer Supreme

and here we have Dr Strange hurled
and here we have Dr Strange hurled

through the Looking Glass Coral through
through the Looking Glass Coral through

the Einstein rosenbridge to another
the Einstein rosenbridge to another

reality could different universes
reality could different universes

actually look like this would the laws
actually look like this would the laws

of physics be so different the debate
of physics be so different the debate

among physicists today is can the laws
among physicists today is can the laws

of physics actually change in another
of physics actually change in another

baby Universe Stephen Hawking thought so
baby Universe Stephen Hawking thought so

which means that our familiar Universe
which means that our familiar Universe

Our Benevolent universe that we know and
Our Benevolent universe that we know and

love
love

may have different laws if you go
may have different laws if you go

through a wormhole to a different
through a wormhole to a different

Universe dark universes universes of
Universe dark universes universes of

chaos of universes where there's only
chaos of universes where there's only

darkness no stars only Blackness stars
darkness no stars only Blackness stars

do not ignite in these other universes
do not ignite in these other universes

Life as we know it cannot exist only the
Life as we know it cannot exist only the

chaos of Randomness exists in these
chaos of Randomness exists in these

other universes is that possible and the
other universes is that possible and the

answer is yes that's a scary thought but
answer is yes that's a scary thought but

with new Loki episodes plus the doctor
with new Loki episodes plus the doctor

strange sequel coming soon viewers will
strange sequel coming soon viewers will

have the Multiverse on their mind for
have the Multiverse on their mind for

the foreseeable future young people know
the foreseeable future young people know

it's science fiction for the most part
it's science fiction for the most part

perhaps based on ideas from physics and
perhaps based on ideas from physics and

as a consequence they may decide to make
as a consequence they may decide to make

a career out of it and become a
a career out of it and become a

physicist that's how I got started so it
physicist that's how I got started so it

helps to have young people being
helps to have young people being

thrilled by some of the ideas coming
thrilled by some of the ideas coming

from science because they know in the
from science because they know in the

back of the mind yes it is science
back of the mind yes it is science

fiction after all but maybe just maybe
fiction after all but maybe just maybe

there's a reality that they can partake
there's a reality that they can partake

of
of