what’s gonna save your life I’m using compressed air here to lower this
compressed air here to lower this
compressed air here to lower this construction up and down and this thing
construction up and down and this thing
construction up and down and this thing if you imagine it’s your feet little
if you imagine it’s your feet little
if you imagine it’s your feet little lower down to the ground there this is a
lower down to the ground there this is a
lower down to the ground there this is a method behind my madness basically what
method behind my madness basically what
method behind my madness basically what I want to do is work out a rough idea of
I want to do is work out a rough idea of
I want to do is work out a rough idea of what we’re calling the coefficient of
what we’re calling the coefficient of
what we’re calling the coefficient of friction and that is another way of
friction and that is another way of
friction and that is another way of saying how sleepy is one material
saying how sleepy is one material
saying how sleepy is one material against another one so I want to work
against another one so I want to work
against another one so I want to work out what is the best surface to use on
out what is the best surface to use on
out what is the best surface to use on what we’re running on and it might not
what we’re running on and it might not
what we’re running on and it might not be a sandal the main elements at play
be a sandal the main elements at play
be a sandal the main elements at play here is the coefficient of friction
here is the coefficient of friction
here is the coefficient of friction which is the relationship of two forces
which is the relationship of two forces
which is the relationship of two forces the force of friction between two
the force of friction between two
the force of friction between two surfaces and the force that pushes them
surfaces and the force that pushes them
surfaces and the force that pushes them together now in this case we need to
together now in this case we need to
together now in this case we need to find one surface the sole of Johnny’s
find one surface the sole of Johnny’s
find one surface the sole of Johnny’s shoe that has the best coefficient of
shoe that has the best coefficient of
shoe that has the best coefficient of friction with the second surface of the
friction with the second surface of the
friction with the second surface of the road so that Johnny can skate along
road so that Johnny can skate along
road so that Johnny can skate along smoothly so we needed to get some
smoothly so we needed to get some
smoothly so we needed to get some benchmarks to see how different
benchmarks to see how different
benchmarks to see how different materials would act in our given
materials would act in our given
materials would act in our given situation in our fairly controlled
situation in our fairly controlled
situation in our fairly controlled environment first thing I wanted to try
environment first thing I wanted to try
environment first thing I wanted to try was the sandal that was our starting
was the sandal that was our starting
was the sandal that was our starting point Tony get go dude here we go
you ready here we go yeah drop drop
you ready here we go yeah drop drop those feet the leg came clean off its
those feet the leg came clean off its
those feet the leg came clean off its snapped I was thinking what are we doing
snapped I was thinking what are we doing
snapped I was thinking what are we doing this is crazy
this is crazy
this is crazy holy that is your leg I’ve never been so
holy that is your leg I’ve never been so
holy that is your leg I’ve never been so thankful in my life brother bells are
thankful in my life brother bells are
thankful in my life brother bells are throttled the destruction of the sandals
throttled the destruction of the sandals
throttled the destruction of the sandals was something I wasn’t expecting to be
was something I wasn’t expecting to be
was something I wasn’t expecting to be honest do I even need to tell you what
honest do I even need to tell you what
honest do I even need to tell you what would happen to your feet
would happen to your feet
would happen to your feet all right listen here’s what we’re gonna
all right listen here’s what we’re gonna
all right listen here’s what we’re gonna do back to the drawing over to try some
do back to the drawing over to try some
do back to the drawing over to try some different Souls from different surfaces
different Souls from different surfaces
different Souls from different surfaces still at Mia in science you have to try
still at Mia in science you have to try
still at Mia in science you have to try things to get a gauge to get a handle on
things to get a gauge to get a handle on
things to get a gauge to get a handle on how things are gonna react right so I
how things are gonna react right so I
how things are gonna react right so I went with a rubber soled sneaker I
wanted to test something that would
wanted to test something that would create a high coefficient of friction
create a high coefficient of friction
create a high coefficient of friction drop the shoe here we go
the rubber is something which snatched
the rubber is something which snatched anagram in the same way when you slide
anagram in the same way when you slide
anagram in the same way when you slide down and escalate and you gather what
down and escalate and you gather what
down and escalate and you gather what kind of thing and your center of gravity
kind of thing and your center of gravity
kind of thing and your center of gravity is all over the place
is all over the place
is all over the place that’s what happened to those not smooth
that’s what happened to those not smooth
that’s what happened to those not smooth at all like at all
at all like at all
at all like at all so there’s no way you could do it in
so there’s no way you could do it in
so there’s no way you could do it in rubber shoes that’s a fact
rubber shoes that’s a fact
rubber shoes that’s a fact right football boot Johnny let’s go for
right football boot Johnny let’s go for
right football boot Johnny let’s go for a slightly tougher more dense polymer
a slightly tougher more dense polymer
a slightly tougher more dense polymer the soccer shoe the soccer shoe was
the soccer shoe the soccer shoe was
the soccer shoe the soccer shoe was something I would hope would get over
something I would hope would get over
something I would hope would get over that sort of snatch-and-grab thing that
that sort of snatch-and-grab thing that
that sort of snatch-and-grab thing that we saw with a rubber but it didn’t
now with the cowboy boots what I’m
now with the cowboy boots what I’m interested to see is what will happen
interested to see is what will happen
interested to see is what will happen when we combine a rubber heel with a
when we combine a rubber heel with a
when we combine a rubber heel with a hide sole
a little better but still pretty gnarly
a little better but still pretty gnarly that’s a faceplant first sure the wet
that’s a faceplant first sure the wet
that’s a faceplant first sure the wet pad was fairly uniform over the high
pad was fairly uniform over the high
pad was fairly uniform over the high sole part of it and the rubber was no
sole part of it and the rubber was no
sole part of it and the rubber was no good for the reasons similar in the
good for the reasons similar in the
good for the reasons similar in the sneaker the heel on the back of this
sneaker the heel on the back of this
sneaker the heel on the back of this boot is what is giving you that grabbing
boot is what is giving you that grabbing
boot is what is giving you that grabbing we need a smooth flat bottom made of
we need a smooth flat bottom made of
we need a smooth flat bottom made of hide it has to be the sandal but dude we
hide it has to be the sandal but dude we
hide it has to be the sandal but dude we missing something
”
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