about four weeks ago I went to an
exhibition regarding safety now during
that exhibition I alongside many others
had the opportunity to experience a
drowning simulator now although the
simulation was very crude on the
containing of a headset and me on a
chair it felt very real I felt like I
was drowning I fell off my chair in
panic and when all that was over I
thought of two things first of all I
need to be careful around water second
after that somewhat traumatizing
experience I learned that virtual
reality can teach people to act
correctly in dangerous situations
without consequence
now just a quick recap for anyone who
doesn’t know what virtual reality is
virtual reality is a computer process
where a computer tries to mimic 360
environments by stitching together a lot
of images or videos and this is most
commonly and always done with a headset
and two controllers in either hand and
this is perfect this works but I have a
problem there are an immersive enough it
doesn’t feel real and what makes me sad
is that
all the technology we need to make this
better has been existing and lying
around for at least a decade or two so
today I’m going to talk about removing
the line between reality and virtual
reality would it be possible to create a
simulation or an experience so real you
wouldn’t be able to tell the difference
between either of them let’s start with
the movement currently movement is dealt
with joysticks in either hand every time
we move them you move in your simulation
that’s not realistic at all so let’s
remove that instead we’re going to opt
for a principle
that’s been existing since 1964 1964
that’s how old this is none of this is
new this is a mouse if you remember in
the 90s and maybe even early 2000s mice
actually had a ball inside of them a
small ball and every time you moved your
mouse to rollers but that being number
six and seven who would turn when that
ball turned that was x and y coordinates
at x and y and that would be sent to
your simulator and it wouldn’t know what
to do with that information we do the
same thing
take that principle expanded by five
hundred percent now have the user stand
on that ball you’ve basically created a
360 treadmill it works now as you all
can imagine an issue being it’s a ball a
ball is not a stable surface someone
could very very easily fall off this so
we add a safety mechanism that also
being very common a baby walker yes a
baby walker as a baby when a child is
practicing to walk their parents might
sometimes put them in a walker so they
can practice walking without the fear or
risk of the baby falling off this is a
quick a model I made up in sketchfab
this is very crude but it gets the job
done you create a loop you put your user
in the loop so there is no risk of your
user falling out perfect it’s basically
a baby walker without wheels now we have
good movement let’s get to feeling the
game or the simulation literally if I am
in a simulation where I am to be shot
how would I feel that how would I feel
like I got shot how would I do that well
for that we’re gonna be using again a
very old piece of tech this time in the
medical field it’s
tense these are small electric pads
connected on critical points in your
body and they send small amounts of
electricity into your muscles I know
that sounds terrifying but it’s not if
you know what you’re doing and you do it
right in the proper spots you can fake
almost any sensation I can make it feel
like you’re hot cold like you got shot
all this can be done just through a
little bit of electricity on the right
spot we just you put connect this on the
user now we have good feel next is input
but time to grab something yes I could
do that with motion sensors that is
possible but we’re not gonna do that
we’re gonna opt for a glove this is
known as a data glove or a wired glove
this is also very old
you basically have sensors on your glove
and every time you move them the
computer creates a 3d model in your
simulation we’re not gonna be using
motion sensors because if I am to hold
something just like I said right now in
the tense we’re gonna have one pad on
your hand so every time you grab
something you feel like it’s in your
hand
good that’s perfect let’s get into your
visuals what you would see in your
simulation that will be about light you
see light is our main form of reference
if we didn’t have light we would have
been a different species altogether we
used light to understand that
something’s hot cold slippery rock wet
it’s very important to us and if you can
create good lighting in a by a computer
you have a good scene and we’re gonna do
that by was known as physically based
rendering or PBR I know that sound
confusing but I’ll talk about that I
want you to look at these two scenes
alright this is a and this being alien
this being be one of these is a picture
of a hotel the other was completely made
in a computer raise your hands if you
think a is the real one – all right
three raise your hand if you think this
is the one okay a bit more hands I lied
they’re both computer-generated and that
was to show you how easy it is to lie to
you
that’s how good of a job PBR can do if I
didn’t tell you that for a second for a
second you believe me and you thought
that was real that’s how good and
realistic this is it works off the
simple principle of flight and how it
acts in real life you basically tell a
computer to shoot light at an object and
according to that objects properties
reflect back off into our eyes do the
same thing now you have good scenes
beautiful scenes alright now let’s get
into sound how do you create good sound
for that you’re gonna need 360 Sun
you’ve all maybe gone to a cinema where
you’ve had surround sound or maybe you
have that in your house that is also
very old it’s known as stereo sound now
stereo sound takes advantage of the fact
of positioning of the speakers today’s
speakers or today’s headphones have
separate speakers in either ear that
meaning if I wanted to make something
sound like it’s coming from my left I
only played on the left speaker
vice-versa for right tweak these
settings here and there you can make it
sound like birds are chirping from there
building construction as there swans are
over there
and these follow you around it feels
real at this point look at it we have
good movement good input good visuals
good output everything is gone we have a
good system I could stop here but I’m
going to step into very dangerous
territory when I say what if I didn’t
want to eat let’s see what does go away
let’s say time I’d rather spend eating I
would want to spend in my simulation we
can do that if and if you’ve been in a
hospital you know that they don’t give
you actual food most of the time the
connector drip to you and that is now
your source of food it’s a small
injection and your body has nothing
against this it’s getting the nutrients
at once nothing’s going wrong this is
perfectly fine okay
even further into more dangerous
territory what if I didn’t want to sleep
time I’d rather spend sleeping I could
use in my simulation sounds crazy we
still have the technology for that
that’s not a technology more safe the
police actually have a psychedelic drug
for this you’ve probably heard that you
have about four senses No
you’ve got about 25 one of them being
your sense of time this drug slows that
down by a lot I can make you feel like
you’ve served a thousand year sentence
in eight hours real time take this with
everything we’ve done the court
theoretically theoretically you never
have to leave now virtual reality is
amazing surgeons can practice surgery on
their patients without the risk of
killing them firefighters can rescue
people without the need of burning a
building people who have problem with
public speaking or face depression can
talk to people like this and build
confidence or I could just live in my
own Wonderland my own perfect world I
mean who’s stopping me from doing that I
could be out in my simulation partying
with my friends in the most luxurious
places from the comfort of my bedroom I
could go to my school class and never
have to leave my house exhibitions like
this would never have to take up space
physical space you could have the same
exhibition in virtual reality and
instead of taking this space you would
take this amount of space on a hard
drive this is the future so most people
say that this is the future no companies
like Nokia and Kodak they were big big
companies the biggest in their fields
they went very down very very down
because they didn’t adapt to change
adapting to change is important now this
brings up the ethical question if we
have a situation where we’ve created
such a realistic world and that is so
real you can’t tell the difference do
you have a need for reality anymore do
you really need reality at this point
does it have a use second question being
would any of you want to live in a world
like this it’s your choice I mean some
of your saying I have friends and family
keep in mind a computer using AI can
recreate all of those family members and
friends would any of you want to live in
it and third and last question even
though in this virtual reality you have
limitless possibilities would you want
to live in a world where you have all
the freedom you want but at the end of
the day you know that every single thing you do is fake thank you
exhibition regarding safety now during
that exhibition I alongside many others
had the opportunity to experience a
drowning simulator now although the
simulation was very crude on the
containing of a headset and me on a
chair it felt very real I felt like I
was drowning I fell off my chair in
panic and when all that was over I
thought of two things first of all I
need to be careful around water second
after that somewhat traumatizing
experience I learned that virtual
reality can teach people to act
correctly in dangerous situations
without consequence
now just a quick recap for anyone who
doesn’t know what virtual reality is
virtual reality is a computer process
where a computer tries to mimic 360
environments by stitching together a lot
of images or videos and this is most
commonly and always done with a headset
and two controllers in either hand and
this is perfect this works but I have a
problem there are an immersive enough it
doesn’t feel real and what makes me sad
is that
all the technology we need to make this
better has been existing and lying
around for at least a decade or two so
today I’m going to talk about removing
the line between reality and virtual
reality would it be possible to create a
simulation or an experience so real you
wouldn’t be able to tell the difference
between either of them let’s start with
the movement currently movement is dealt
with joysticks in either hand every time
we move them you move in your simulation
that’s not realistic at all so let’s
remove that instead we’re going to opt
for a principle
that’s been existing since 1964 1964
that’s how old this is none of this is
new this is a mouse if you remember in
the 90s and maybe even early 2000s mice
actually had a ball inside of them a
small ball and every time you moved your
mouse to rollers but that being number
six and seven who would turn when that
ball turned that was x and y coordinates
at x and y and that would be sent to
your simulator and it wouldn’t know what
to do with that information we do the
same thing
take that principle expanded by five
hundred percent now have the user stand
on that ball you’ve basically created a
360 treadmill it works now as you all
can imagine an issue being it’s a ball a
ball is not a stable surface someone
could very very easily fall off this so
we add a safety mechanism that also
being very common a baby walker yes a
baby walker as a baby when a child is
practicing to walk their parents might
sometimes put them in a walker so they
can practice walking without the fear or
risk of the baby falling off this is a
quick a model I made up in sketchfab
this is very crude but it gets the job
done you create a loop you put your user
in the loop so there is no risk of your
user falling out perfect it’s basically
a baby walker without wheels now we have
good movement let’s get to feeling the
game or the simulation literally if I am
in a simulation where I am to be shot
how would I feel that how would I feel
like I got shot how would I do that well
for that we’re gonna be using again a
very old piece of tech this time in the
medical field it’s
tense these are small electric pads
connected on critical points in your
body and they send small amounts of
electricity into your muscles I know
that sounds terrifying but it’s not if
you know what you’re doing and you do it
right in the proper spots you can fake
almost any sensation I can make it feel
like you’re hot cold like you got shot
all this can be done just through a
little bit of electricity on the right
spot we just you put connect this on the
user now we have good feel next is input
but time to grab something yes I could
do that with motion sensors that is
possible but we’re not gonna do that
we’re gonna opt for a glove this is
known as a data glove or a wired glove
this is also very old
you basically have sensors on your glove
and every time you move them the
computer creates a 3d model in your
simulation we’re not gonna be using
motion sensors because if I am to hold
something just like I said right now in
the tense we’re gonna have one pad on
your hand so every time you grab
something you feel like it’s in your
hand
good that’s perfect let’s get into your
visuals what you would see in your
simulation that will be about light you
see light is our main form of reference
if we didn’t have light we would have
been a different species altogether we
used light to understand that
something’s hot cold slippery rock wet
it’s very important to us and if you can
create good lighting in a by a computer
you have a good scene and we’re gonna do
that by was known as physically based
rendering or PBR I know that sound
confusing but I’ll talk about that I
want you to look at these two scenes
alright this is a and this being alien
this being be one of these is a picture
of a hotel the other was completely made
in a computer raise your hands if you
think a is the real one – all right
three raise your hand if you think this
is the one okay a bit more hands I lied
they’re both computer-generated and that
was to show you how easy it is to lie to
you
that’s how good of a job PBR can do if I
didn’t tell you that for a second for a
second you believe me and you thought
that was real that’s how good and
realistic this is it works off the
simple principle of flight and how it
acts in real life you basically tell a
computer to shoot light at an object and
according to that objects properties
reflect back off into our eyes do the
same thing now you have good scenes
beautiful scenes alright now let’s get
into sound how do you create good sound
for that you’re gonna need 360 Sun
you’ve all maybe gone to a cinema where
you’ve had surround sound or maybe you
have that in your house that is also
very old it’s known as stereo sound now
stereo sound takes advantage of the fact
of positioning of the speakers today’s
speakers or today’s headphones have
separate speakers in either ear that
meaning if I wanted to make something
sound like it’s coming from my left I
only played on the left speaker
vice-versa for right tweak these
settings here and there you can make it
sound like birds are chirping from there
building construction as there swans are
over there
and these follow you around it feels
real at this point look at it we have
good movement good input good visuals
good output everything is gone we have a
good system I could stop here but I’m
going to step into very dangerous
territory when I say what if I didn’t
want to eat let’s see what does go away
let’s say time I’d rather spend eating I
would want to spend in my simulation we
can do that if and if you’ve been in a
hospital you know that they don’t give
you actual food most of the time the
connector drip to you and that is now
your source of food it’s a small
injection and your body has nothing
against this it’s getting the nutrients
at once nothing’s going wrong this is
perfectly fine okay
even further into more dangerous
territory what if I didn’t want to sleep
time I’d rather spend sleeping I could
use in my simulation sounds crazy we
still have the technology for that
that’s not a technology more safe the
police actually have a psychedelic drug
for this you’ve probably heard that you
have about four senses No
you’ve got about 25 one of them being
your sense of time this drug slows that
down by a lot I can make you feel like
you’ve served a thousand year sentence
in eight hours real time take this with
everything we’ve done the court
theoretically theoretically you never
have to leave now virtual reality is
amazing surgeons can practice surgery on
their patients without the risk of
killing them firefighters can rescue
people without the need of burning a
building people who have problem with
public speaking or face depression can
talk to people like this and build
confidence or I could just live in my
own Wonderland my own perfect world I
mean who’s stopping me from doing that I
could be out in my simulation partying
with my friends in the most luxurious
places from the comfort of my bedroom I
could go to my school class and never
have to leave my house exhibitions like
this would never have to take up space
physical space you could have the same
exhibition in virtual reality and
instead of taking this space you would
take this amount of space on a hard
drive this is the future so most people
say that this is the future no companies
like Nokia and Kodak they were big big
companies the biggest in their fields
they went very down very very down
because they didn’t adapt to change
adapting to change is important now this
brings up the ethical question if we
have a situation where we’ve created
such a realistic world and that is so
real you can’t tell the difference do
you have a need for reality anymore do
you really need reality at this point
does it have a use second question being
would any of you want to live in a world
like this it’s your choice I mean some
of your saying I have friends and family
keep in mind a computer using AI can
recreate all of those family members and
friends would any of you want to live in
it and third and last question even
though in this virtual reality you have
limitless possibilities would you want
to live in a world where you have all
the freedom you want but at the end of
the day you know that every single thing you do is fake thank you
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