<s>
IBM	B-Device
Quantum	I-Device
System	I-Device
One	I-Device
is	O
the	O
first	O
circuit-based	O
commercial	O
quantum	B-Architecture
computer	I-Architecture
,	O
introduced	O
by	O
IBM	O
in	O
January	O
2019	O
.	O
</s>
<s>
This	O
integrated	O
quantum	B-Architecture
computing	I-Architecture
system	O
is	O
housed	O
in	O
a	O
airtight	O
glass	O
cube	O
that	O
maintains	O
a	O
controlled	O
physical	O
environment	O
.	O
</s>
<s>
A	O
cylindrical	O
protrusion	O
from	O
the	O
center	O
of	O
the	O
ceiling	O
is	O
a	O
dilution	O
refrigerator	O
,	O
containing	O
a	O
20-qubit	O
transmon	O
quantum	B-Architecture
processor	I-Architecture
.	O
</s>
<s>
IBM	B-Device
Quantum	I-Device
System	I-Device
One	I-Device
was	O
developed	O
by	O
IBM	O
Research	O
,	O
with	O
assistance	O
from	O
the	O
Map	O
Project	O
Office	O
and	O
Universal	O
Design	O
Studio	O
.	O
</s>
<s>
From	O
April	O
6	O
to	O
May	O
31	O
,	O
2019	O
,	O
the	O
Boston	O
Museum	O
of	O
Science	O
hosted	O
an	O
exhibit	O
featuring	O
a	O
replica	O
of	O
the	O
IBM	B-Device
Quantum	I-Device
System	I-Device
One	I-Device
.	O
</s>
