<s>
Mixed	B-General_Concept
reality	I-General_Concept
(	O
MR	O
)	O
is	O
a	O
term	O
used	O
to	O
describe	O
the	O
merging	O
of	O
a	O
real-world	O
environment	O
and	O
a	O
computer-generated	O
one	O
.	O
</s>
<s>
Physical	O
and	O
virtual	O
objects	O
may	O
co-exist	O
in	O
mixed	B-General_Concept
reality	I-General_Concept
environments	O
and	O
interact	O
in	O
real	O
time	O
.	O
</s>
<s>
Mixed	B-General_Concept
reality	I-General_Concept
that	O
incorporates	O
haptics	B-Device
has	O
sometimes	O
been	O
referred	O
to	O
as	O
Visuo-haptic	O
mixed	B-General_Concept
reality	I-General_Concept
.	O
</s>
<s>
In	O
a	O
physics	O
context	O
,	O
the	O
term	O
"	O
interreality	B-General_Concept
system	O
"	O
refers	O
to	O
a	O
virtual	O
reality	O
system	O
coupled	O
with	O
its	O
real-world	O
counterpart	O
.	O
</s>
<s>
A	O
2007	O
paper	O
describes	O
an	O
interreality	B-General_Concept
system	O
comprising	O
a	O
real	O
physical	O
pendulum	O
coupled	O
to	O
a	O
pendulum	O
that	O
only	O
exists	O
in	O
virtual	O
reality	O
.	O
</s>
<s>
This	O
system	O
has	O
two	O
stable	O
states	O
of	O
motion	O
:	O
a	O
"	O
Dual	O
Reality	O
"	O
state	O
in	O
which	O
the	O
motion	O
of	O
the	O
two	O
pendula	O
are	O
uncorrelated	O
,	O
and	O
a	O
"	O
Mixed	B-General_Concept
Reality	I-General_Concept
"	O
state	O
in	O
which	O
the	O
pendula	O
exhibit	O
stable	O
phase-locked	O
motion	O
,	O
which	O
is	O
highly	O
correlated	O
.	O
</s>
<s>
The	O
use	O
of	O
the	O
terms	O
"	O
mixed	B-General_Concept
reality	I-General_Concept
"	O
and	O
"	O
interreality	B-General_Concept
"	O
is	O
clearly	O
defined	O
in	O
the	O
context	O
of	O
physics	O
and	O
may	O
be	O
slightly	O
different	O
in	O
other	O
fields	O
,	O
however	O
,	O
it	O
is	O
generally	O
seen	O
as	O
,	O
"	O
bridging	O
the	O
physical	O
and	O
virtual	O
world	O
"	O
.	O
</s>
<s>
Mixed	B-General_Concept
reality	I-General_Concept
has	O
been	O
used	O
in	O
applications	O
across	O
fields	O
including	O
design	O
,	O
education	O
,	O
entertainment	O
,	O
military	O
training	O
,	O
healthcare	O
,	O
product	O
content	O
management	O
,	O
and	O
human-in-the-loop	O
operation	O
of	O
robots	B-Algorithm
.	O
</s>
<s>
There	O
are	O
many	O
potential	O
use	O
cases	O
for	O
Mixed	B-General_Concept
Reality	I-General_Concept
in	O
both	O
educational	O
settings	O
and	O
professional	O
training	O
settings	O
.	O
</s>
<s>
From	O
television	O
shows	O
to	O
game	O
consoles	O
,	O
mixed	B-General_Concept
reality	I-General_Concept
has	O
many	O
applications	O
in	O
the	O
field	O
of	O
entertainment	O
.	O
</s>
<s>
The	O
show	O
used	O
mixed	B-General_Concept
reality	I-General_Concept
to	O
bring	O
the	O
Zooks	O
to	O
life	O
.	O
</s>
<s>
The	O
2003	O
game	O
show	O
FightBox	O
also	O
called	O
upon	O
contestants	O
to	O
create	O
competitive	O
characters	O
and	O
used	O
mixed	B-General_Concept
reality	I-General_Concept
to	O
allow	O
them	O
to	O
interact	O
.	O
</s>
<s>
In	O
2009	O
,	O
researchers	O
presented	O
to	O
the	O
International	O
Symposium	O
on	O
Mixed	O
and	O
Augmented	B-General_Concept
Reality	I-General_Concept
(	O
ISMAR	O
)	O
their	O
social	O
product	O
called	O
"	O
BlogWall	O
,	O
"	O
which	O
consisted	O
of	O
a	O
projected	O
screen	O
on	O
a	O
wall	O
.	O
</s>
<s>
Users	O
could	O
post	O
short	O
text	O
clips	O
or	O
images	O
on	O
the	O
wall	O
and	O
play	O
simple	O
games	O
such	O
as	O
Pong	B-Application
.	O
</s>
<s>
Mario	B-Application
Kart	I-Application
Live	I-Application
:	I-Application
Home	I-Application
Circuit	I-Application
is	O
a	O
mixed	B-General_Concept
reality	I-General_Concept
racing	O
game	O
for	O
the	O
Nintendo	O
Switch	O
that	O
was	O
released	O
in	O
October	O
2020	O
.	O
</s>
<s>
Other	O
research	O
has	O
examined	O
the	O
potential	O
for	O
mixed	B-General_Concept
reality	I-General_Concept
to	O
be	O
applied	O
to	O
theatre	O
,	O
film	O
,	O
and	O
theme	O
parks	O
.	O
</s>
<s>
The	O
first	O
fully	O
immersive	O
mixed	B-General_Concept
reality	I-General_Concept
system	O
was	O
the	O
Virtual	B-General_Concept
Fixtures	I-General_Concept
platform	O
,	O
which	O
was	O
developed	O
in	O
1992	O
by	O
Louis	O
Rosenberg	O
at	O
the	O
Armstrong	O
Laboratories	O
of	O
the	O
United	O
States	O
Air	O
Force	O
.	O
</s>
<s>
It	O
enabled	O
human	O
users	O
to	O
control	O
robots	B-Algorithm
in	O
real-world	O
environments	O
that	O
included	O
real	O
physical	O
objects	O
and	O
3D	O
virtual	O
overlays	O
(	O
"	O
fixtures	O
"	O
)	O
that	O
were	O
added	O
enhance	O
human	O
performance	O
of	O
manipulation	O
tasks	O
.	O
</s>
<s>
Combat	O
reality	O
can	O
be	O
simulated	O
and	O
represented	O
using	O
complex	O
,	O
layered	O
data	O
and	O
visual	O
aides	O
,	O
most	O
of	O
which	O
are	O
head-mounted	B-General_Concept
displays	I-General_Concept
(	O
HMD	O
)	O
,	O
which	O
encompass	O
any	O
display	O
technology	O
that	O
can	O
be	O
worn	O
on	O
the	O
user	O
's	O
head	O
.	O
</s>
<s>
With	O
mixed	B-General_Concept
reality	I-General_Concept
,	O
researchers	O
may	O
safely	O
study	O
military	O
personnel	O
in	O
scenarios	O
where	O
soldiers	O
would	O
not	O
likely	O
survive	O
.	O
</s>
<s>
In	O
2017	O
,	O
the	O
U.S.	O
Army	O
was	O
developing	O
the	O
Synthetic	O
Training	O
Environment	O
(	O
STE	O
)	O
,	O
a	O
collection	O
of	O
technologies	O
for	O
training	O
purposes	O
that	O
was	O
expected	O
to	O
include	O
mixed	B-General_Concept
reality	I-General_Concept
.	O
</s>
<s>
A	O
blended	O
space	O
is	O
a	O
space	O
in	O
which	O
a	O
physical	O
environment	O
and	O
a	O
virtual	B-General_Concept
environment	I-General_Concept
are	O
deliberately	O
integrated	O
in	O
a	O
close	O
knit	O
way	O
.	O
</s>
<s>
Examples	O
of	O
blended	O
spaces	O
include	O
augmented	B-General_Concept
reality	I-General_Concept
devices	O
such	O
as	O
the	O
Microsoft	B-General_Concept
HoloLens	I-General_Concept
and	O
games	O
such	O
as	O
Pokémon	B-Application
Go	I-Application
in	O
addition	O
to	O
many	O
smartphone	O
tourism	O
apps	O
,	O
smart	O
meeting	O
rooms	O
and	O
applications	O
such	O
as	O
bus	O
tracker	O
systems	O
.	O
</s>
<s>
Manuel	O
Imaz	O
and	O
David	O
Benyon	O
introduced	O
blending	O
theory	O
to	O
look	O
at	O
concepts	O
in	O
software	B-General_Concept
engineering	I-General_Concept
and	O
human-computer	O
interaction	O
.	O
</s>
<s>
Mixed	B-General_Concept
reality	I-General_Concept
allows	O
a	O
global	O
workforce	O
of	O
remote	O
teams	O
to	O
work	O
together	O
and	O
tackle	O
an	O
organization	O
's	O
business	O
challenges	O
.	O
</s>
<s>
No	O
matter	O
where	O
they	O
are	O
physically	O
located	O
,	O
an	O
employee	O
can	O
wear	O
a	O
headset	O
and	O
noise-canceling	O
headphones	O
and	O
enter	O
a	O
collaborative	O
,	O
immersive	O
virtual	B-General_Concept
environment	I-General_Concept
.	O
</s>
<s>
Machine	O
maintenance	O
can	O
also	O
be	O
executed	O
with	O
the	O
help	O
of	O
mixed	B-General_Concept
reality	I-General_Concept
.	O
</s>
<s>
Larger	O
companies	O
with	O
multiple	O
manufacturing	O
locations	O
and	O
a	O
lot	O
of	O
machinery	O
can	O
use	O
mixed	B-General_Concept
reality	I-General_Concept
to	O
educate	O
and	O
instruct	O
their	O
employees	O
.	O
</s>
<s>
By	O
using	O
mixed	B-General_Concept
reality	I-General_Concept
,	O
employees	O
from	O
multiple	O
locations	O
can	O
wear	O
headsets	O
and	O
receive	O
live	O
instructions	O
about	O
the	O
changes	O
.	O
</s>
<s>
Mixed	B-General_Concept
reality	I-General_Concept
can	O
be	O
used	O
to	O
build	O
mockups	O
that	O
combine	O
physical	O
and	O
digital	O
elements	O
.	O
</s>
<s>
With	O
the	O
use	O
of	O
simultaneous	B-Application
localization	I-Application
and	I-Application
mapping	I-Application
(	O
SLAM	O
)	O
,	O
mockups	O
can	O
interact	O
with	O
the	O
physical	O
world	O
to	O
gain	O
control	O
of	O
more	O
realistic	O
sensory	O
experiences	O
like	O
object	O
permanence	O
,	O
which	O
would	O
normally	O
be	O
infeasible	O
or	O
extremely	O
difficult	O
to	O
track	O
and	O
analyze	O
without	O
the	O
use	O
of	O
both	O
digital	O
and	O
physical	O
aides	O
.	O
</s>
<s>
Smartglasses	B-General_Concept
can	O
be	O
incorporated	O
into	O
the	O
operating	O
room	O
to	O
aide	O
in	O
surgical	O
procedures	O
;	O
possibly	O
displaying	O
patient	O
data	O
conveniently	O
while	O
overlaying	O
precise	O
visual	O
guides	O
for	O
the	O
surgeon	O
.	O
</s>
<s>
Mixed	B-General_Concept
reality	I-General_Concept
headsets	O
like	O
the	O
Microsoft	B-General_Concept
HoloLens	I-General_Concept
have	O
been	O
theorized	O
to	O
allow	O
for	O
efficient	O
sharing	O
of	O
information	O
between	O
doctors	O
,	O
in	O
addition	O
to	O
providing	O
a	O
platform	O
for	O
enhanced	O
training	O
.	O
</s>
<s>
While	O
mixed	B-General_Concept
reality	I-General_Concept
has	O
lots	O
of	O
potential	O
for	O
enhancing	O
healthcare	O
,	O
it	O
does	O
have	O
some	O
drawbacks	O
too	O
.	O
</s>
<s>
Mixed	B-General_Concept
reality	I-General_Concept
is	O
also	O
useful	O
for	O
healthcare	O
education	O
.	O
</s>
<s>
For	O
example	O
,	O
according	O
to	O
a	O
2022	O
report	O
from	O
the	O
World	O
Economic	O
Forum	O
,	O
85%	O
of	O
first-year	O
medical	O
students	O
at	O
Case	O
Western	O
Reserve	O
University	O
reported	O
that	O
mixed	B-General_Concept
reality	I-General_Concept
for	O
teaching	O
anatomy	O
was	O
“	O
equivalent	O
”	O
or	O
“	O
better	O
”	O
than	O
the	O
in-person	O
class	O
.	O
</s>
<s>
Product	O
content	O
management	O
before	O
the	O
advent	O
of	O
Mixed	B-General_Concept
Reality	I-General_Concept
consisted	O
largely	O
of	O
brochures	O
and	O
little	O
customer-product	O
engagement	O
outside	O
of	O
this	O
2-dimensional	O
realm	O
.	O
</s>
<s>
With	O
mixed	B-General_Concept
reality	I-General_Concept
technology	O
improvements	O
,	O
new	O
forms	O
of	O
interactive	O
product	O
content	O
management	O
has	O
emerged	O
.	O
</s>
<s>
Recent	O
advances	O
in	O
mixed-reality	O
technologies	O
have	O
renewed	O
interest	O
in	O
alternative	O
modes	O
of	O
communication	O
for	O
human-robot	O
interaction	O
.	O
</s>
<s>
Human	O
operators	O
wearing	O
mixed	B-General_Concept
reality	I-General_Concept
glasses	O
such	O
as	O
HoloLens	B-General_Concept
can	O
interact	O
with	O
(	O
control	O
and	O
monitor	O
)	O
e.g.	O
</s>
<s>
robots	B-Algorithm
and	O
lifting	O
machines	O
on	O
site	O
in	O
a	O
digital	O
factory	O
setup	O
.	O
</s>
<s>
This	O
use	O
case	O
typically	O
requires	O
real-time	O
data	O
communication	O
between	O
a	O
mixed	B-General_Concept
reality	I-General_Concept
interface	O
with	O
the	O
machine	O
/	O
process	O
/	O
system	O
,	O
which	O
could	O
be	O
enabled	O
by	O
incorporating	O
digital	B-General_Concept
twin	I-General_Concept
technology	I-General_Concept
.	I-General_Concept
</s>
<s>
Mixed	B-General_Concept
reality	I-General_Concept
allows	O
sellers	O
to	O
show	O
the	O
customers	O
how	O
a	O
certain	O
commodity	O
will	O
suit	O
their	O
demands	O
.	O
</s>
<s>
While	O
Mixed	B-General_Concept
Reality	I-General_Concept
refers	O
to	O
the	O
intertwining	O
of	O
the	O
virtual	O
world	O
and	O
the	O
physical	O
world	O
at	O
a	O
high	O
level	O
,	O
there	O
are	O
a	O
variety	O
of	O
digital	O
mediums	O
used	O
to	O
accomplish	O
a	O
mixed	B-General_Concept
reality	I-General_Concept
environment	O
.	O
</s>
<s>
The	O
Cave	O
Automatic	O
Virtual	B-General_Concept
Environment	I-General_Concept
(	O
CAVE	O
)	O
is	O
an	O
environment	O
,	O
typically	O
a	O
small	O
room	O
located	O
in	O
a	O
larger	O
outer	O
room	O
,	O
in	O
which	O
a	O
user	O
is	O
surrounded	O
by	O
projected	O
displays	O
around	O
them	O
,	O
above	O
them	O
,	O
and	O
below	O
them	O
.	O
</s>
<s>
A	O
head-mounted	B-General_Concept
display	I-General_Concept
(	O
HMD	O
)	O
,	O
worn	O
over	O
the	O
entire	O
head	O
or	O
worn	O
in	O
front	O
of	O
the	O
eyes	O
,	O
is	O
a	O
device	O
that	O
uses	O
one	O
or	O
two	O
optics	O
to	O
project	O
an	O
image	O
directly	O
in	O
front	O
of	O
the	O
user	O
's	O
eyes	O
.	O
</s>
<s>
Head-mounted	B-General_Concept
displays	I-General_Concept
are	O
most	O
popular	O
with	O
consumers	O
in	O
the	O
entertainment	O
market	O
,	O
with	O
major	O
tech	O
companies	O
developing	O
HMDs	O
to	O
complement	O
their	O
existing	O
products	O
.	O
</s>
<s>
However	O
,	O
these	O
head-mounted	B-General_Concept
displays	I-General_Concept
are	O
virtual	O
reality	O
displays	O
and	O
do	O
not	O
integrate	O
the	O
physical	O
world	O
.	O
</s>
<s>
Popular	O
augmented	B-General_Concept
reality	I-General_Concept
HMDs	O
,	O
however	O
,	O
are	O
more	O
favorable	O
in	O
enterprise	O
environments	O
.	O
</s>
<s>
Microsoft	O
's	O
HoloLens	B-General_Concept
is	O
an	O
augmented	B-General_Concept
reality	I-General_Concept
HMD	O
that	O
has	O
applications	O
in	O
medicine	O
,	O
giving	O
doctors	O
more	O
profound	O
real-time	O
insight	O
,	O
as	O
well	O
as	O
engineering	O
,	O
overlaying	O
important	O
information	O
on	O
top	O
of	O
the	O
physical	O
world	O
.	O
</s>
<s>
Another	O
notable	O
augmented	B-General_Concept
reality	I-General_Concept
HMD	O
has	O
been	O
developed	O
by	O
Magic	O
Leap	O
,	O
a	O
startup	O
developing	O
a	O
similar	O
product	O
with	O
applications	O
in	O
both	O
the	O
private	O
sector	O
and	O
the	O
consumer	O
market	O
.	O
</s>
<s>
Many	O
modern	O
mobile	O
devices	O
come	O
equipped	O
with	O
toolkits	O
for	O
developing	O
augmented	B-General_Concept
reality	I-General_Concept
applications	O
.	O
</s>
<s>
The	O
first	O
augmented	B-General_Concept
reality	I-General_Concept
mobile	O
game	O
with	O
widespread	O
success	O
was	O
Pokémon	B-Application
GO	I-Application
,	O
which	O
released	O
in	O
2016	O
and	O
accumulated	O
800	O
million	O
downloads	O
.	O
</s>
