![How about a molecular sieve?
How about a molecular sieve?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
How about a MOLECULAR sieve?
The Big Bang Theory Season 2, Episode 18
![...and look for the seminar
on molecular positronium, then...
...and look for the seminar
on molecular positronium, then...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...and look for the seminar
on MOLECULAR positronium, then...
The Big Bang Theory Season 1, Episode 10
![...for that dense molecular cloud
of Aramis to dissipate.
...for that dense molecular cloud
of Aramis to dissipate.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...for that dense MOLECULAR cloud
of Aramis to dissipate.
The Big Bang Theory Season 1, Episode 3
![...on molecular positronium.
...on molecular positronium.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...on MOLECULAR positronium.
The Big Bang Theory Season 1, Episode 10
![...because we were attending a symposium
on molecular positronium?
...because we were attending a symposium
on molecular positronium?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...because we were attending a symposium
on MOLECULAR positronium?
The Big Bang Theory Season 1, Episode 10