<s>
Simulator	B-Application
rides	I-Application
are	O
a	O
type	O
of	O
amusement	O
park	O
or	O
fairground	O
ride	O
,	O
where	O
the	O
audience	O
is	O
shown	O
a	O
movie	O
while	O
their	O
seats	O
move	O
to	O
correspond	O
to	O
the	O
action	O
on	O
screen	O
.	O
</s>
<s>
Simulator	B-Application
rides	I-Application
work	O
by	O
showing	O
a	O
film	O
and	O
moving	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Until	O
recently	O
,	O
constructing	O
simulator	B-Application
rides	I-Application
was	O
an	O
expensive	O
,	O
high	O
tech	O
business	O
.	O
</s>
<s>
Long	O
before	O
the	O
days	O
of	O
virtual	B-Application
reality	I-Application
,	O
the	O
view	O
through	O
the	O
cockpit	O
came	O
from	O
remote	O
video	O
cameras	O
which	O
moved	O
on	O
gantries	O
above	O
physical	O
model	O
landscapes	O
.	O
</s>
<s>
By	O
the	O
mid-1990s	O
,	O
computer	O
virtual	B-Application
reality	I-Application
graphics	O
replaced	O
most	O
physical	O
models	O
in	O
simulators	O
.	O
</s>
<s>
Today	O
's	O
flight	B-Application
training	I-Application
simulators	I-Application
,	O
like	O
NASA	O
’s	O
,	O
have	O
virtual	O
landscapes	O
projected	O
on	O
multiple	O
screens	O
giving	O
a	O
180	O
degree	O
view	O
.	O
</s>
<s>
Much	O
simpler	O
simulators	O
,	O
running	O
fixed	O
video	O
synchronised	O
to	O
the	O
movement	O
of	O
the	O
'	O
cabin	O
 '	O
,	O
were	O
introduced	O
in	O
funfairs	B-Application
in	O
the	O
same	O
period	O
.	O
</s>
<s>
They	O
were	O
the	O
first	O
manufacturer	O
to	O
introduce	O
the	O
capsule	O
motion	B-General_Concept
simulator	I-General_Concept
,	O
the	O
SR2	O
in	O
1977	O
.	O
</s>
<s>
Universal	B-Application
Studios	I-Application
originally	O
invented	O
the	O
motion	O
theater	O
with	O
their	O
attraction	O
The	O
Funtastic	O
World	O
of	O
Hanna-Barbera	O
.	O
</s>
<s>
This	O
first	O
ride	O
was	O
soon	O
followed	O
by	O
the	O
Back	O
to	O
the	O
Future-themed	O
Back	B-Application
to	I-Application
the	I-Application
Future	I-Application
:	O
The	O
Ride	O
,	O
which	O
opened	O
in	O
1991	O
at	O
Universal	B-Application
Studios	I-Application
Florida	O
and	O
was	O
removed	O
in	O
2007	O
to	O
make	O
way	O
for	O
The	O
Simpsons	O
Ride	O
.	O
</s>
<s>
Passenger	O
motion	B-General_Concept
simulators	I-General_Concept
are	O
used	O
as	O
amusement	O
rides	O
with	O
a	O
seating	O
platform	O
remaining	O
parallel	O
to	O
the	O
ground	O
while	O
being	O
moved	O
in	O
a	O
circular	O
motion	O
along	O
a	O
vertical	O
plane	O
.	O
</s>
<s>
Motion	O
theaters	O
found	O
in	O
a	O
traveling	O
carnival	B-Application
include	O
the	O
"	O
Yellow	O
Submarine.	O
"	O
</s>
<s>
More	O
recently	O
,	O
one	O
-	O
to	O
two-person	O
simulator	B-Application
rides	I-Application
have	O
appeared	O
.	O
</s>
<s>
These	O
run	O
unattended	O
and	O
some	O
types	O
are	O
interactive	B-General_Concept
,	O
like	O
the	O
original	O
military	O
flight	B-Application
training	I-Application
simulators	I-Application
.	O
</s>
<s>
Due	O
to	O
the	O
exclusivity	O
of	O
this	O
type	O
of	O
simulator	B-Application
ride	I-Application
,	O
there	O
are	O
only	O
a	O
few	O
two	O
seater	O
simulator	O
manufacturers	O
in	O
the	O
world	O
.	O
</s>
<s>
The	O
first	O
truly	O
low-cost	O
simulator	O
is	O
perhaps	O
the	O
£5k	O
"	O
Kidicoaster	O
,	O
"	O
which	O
swings	O
up	O
and	O
down	O
in	O
sync	O
to	O
a	O
video	O
of	O
a	O
roller	B-Device
coaster	I-Device
.	O
</s>
<s>
It	O
is	O
now	O
practical	O
for	O
amateur	O
enthusiasts	O
to	O
develop	O
their	O
own	O
'	O
low	O
tech	O
 '	O
simulator	B-Application
ride	I-Application
.	O
</s>
<s>
1977	O
-	O
Doron	O
SR2	O
simulator	B-Application
ride	I-Application
(	O
Installed	O
Worldwide	O
)	O
.	O
</s>
