<s>
NEMO	B-Language
(	O
Not	O
Everybody	O
Must	O
Observe	O
)	O
is	O
a	O
toolkit	O
for	O
stellar	O
dynamics	O
.	O
</s>
<s>
At	O
its	O
core	O
it	O
manipulates	O
an	O
n-body	B-Algorithm
system	O
(	O
snapshot	O
)	O
,	O
but	O
can	O
also	O
derive	O
or	O
compute	O
orbits	B-Application
,	O
derive	O
images	O
and	O
extract	O
tables	B-Application
to	O
take	O
to	O
other	O
analysis	O
systems	O
.	O
</s>
<s>
NEMO	B-Language
was	O
developed	O
on	O
Sun	B-Device
workstations	I-Device
,	O
but	O
ports	O
to	O
most	O
Unix-like	O
systems	O
.	O
</s>
<s>
At	O
its	O
core	O
NEMO	B-Language
defines	O
a	O
series	O
of	O
objects	O
(	O
SnapShot	O
,	O
Orbit	B-Application
,	O
Image	O
)	O
and	O
associated	O
header	B-Language
files	I-Language
and	O
libraries	B-Library
to	O
operate	O
on	O
them	O
,	O
and	O
these	O
mirror	O
the	O
stored	O
data	O
in	O
a	O
portable	O
binary-named	O
and	O
type-tagged	O
XML-like	O
format	O
dubbed	O
structured	O
file	O
.	O
</s>
<s>
The	O
program	O
tsf	O
in	O
NEMO	B-Language
will	O
show	O
the	O
contents	O
of	O
such	O
a	O
file	O
in	O
a	O
human	O
readable	O
way	O
.	O
</s>
<s>
Another	O
feature	O
of	O
NEMO	B-Language
is	O
that	O
all	O
its	O
data	O
can	O
be	O
piped	O
from	O
one	O
task	B-General_Concept
into	O
the	O
next	O
,	O
thus	O
creating	O
whole	O
simulations	O
in	O
a	O
simple	O
Unix	B-Operating_System
pipe	I-Operating_System
.	O
</s>
<s>
NEMO	B-Language
was	O
conceived	O
and	O
written	O
by	O
Josh	O
Barnes	O
,	O
Piet	O
Hut	O
and	O
Peter	O
Teuben	O
in	O
1986	O
,	O
at	O
the	O
Institute	O
for	O
Advanced	O
Study	O
,	O
prompted	O
by	O
the	O
wish	O
to	O
have	O
a	O
toolkit	O
built	O
around	O
the	O
just	O
developed	O
Barnes	O
–	O
Hut	O
simulation	O
.	O
</s>
<s>
NEMO	B-Language
was	O
at	O
the	O
1994	O
conference	O
held	O
in	O
Baltimore	O
,	O
MD	O
.	O
</s>
<s>
NEMO	B-Language
is	O
still	O
in	O
active	O
use	O
and	O
development	O
,	O
and	O
has	O
been	O
used	O
in	O
many	O
publications	O
.	O
</s>
<s>
Peter	O
Teuben	O
maintains	O
NEMO	B-Language
,	O
whereas	O
Josh	O
Barnes	O
maintains	O
ZENO	O
,	O
a	O
spin-off	O
from	O
NEMO	B-Language
.	O
</s>
