<s>
The	O
rapatronic	B-Algorithm
camera	I-Algorithm
(	O
a	O
portmanteau	O
of	O
rapid	O
action	O
electronic	O
)	O
is	O
a	O
high-speed	O
camera	O
capable	O
of	O
recording	O
a	O
still	O
image	O
with	O
an	O
exposure	O
time	O
as	O
brief	O
as	O
10	O
nanoseconds	O
.	O
</s>
<s>
To	O
overcome	O
the	O
speed	O
limitation	O
of	O
a	O
conventional	O
camera	O
's	O
mechanical	O
shutter	O
,	O
the	O
rapatronic	B-Algorithm
camera	I-Algorithm
uses	O
two	O
polarizing	O
filters	O
and	O
a	O
Faraday	O
cell	O
(	O
or	O
in	O
some	O
variants	O
a	O
Kerr	O
cell	O
)	O
.	O
</s>
