<s>
Kramers	B-Algorithm
 '	I-Algorithm
opacity	I-Algorithm
law	I-Algorithm
describes	O
the	O
opacity	O
of	O
a	O
medium	O
in	O
terms	O
of	O
the	O
ambient	O
density	O
and	O
temperature	O
,	O
assuming	O
that	O
the	O
opacity	O
is	O
dominated	O
by	O
bound-free	O
absorption	O
(	O
the	O
absorption	O
of	O
light	O
during	O
ionization	O
of	O
a	O
bound	O
electron	O
)	O
or	O
free-free	O
absorption	O
(	O
the	O
absorption	O
of	O
light	O
when	O
scattering	O
a	O
free	O
ion	O
,	O
also	O
called	O
bremsstrahlung	O
)	O
.	O
</s>
