Where can I buy liquid nitrogen in Rochester, NY? My googling skills are not up to the task... [more inside]
posted by mikeweeney on Jun 9, 2009 - 7 answers

What's the best/cheapest/easiest way to transport 1-2 liters of liquid nitrogen from San Francisco to Burning Man? [more inside]
posted by jcruelty on Aug 15, 2006 - 15 answers