And I thought the Guinness can was nutty.
http://www.gizmodo.com/gadgets/gadgets/miller-beer-soon-in-selfcooling-cans-168882.php
Could it be the case that once you’ve pawned the Miller off on your brother-in-law and drained out the chemicals, you might be able to reverse-engineer this can into a heating vessel? Not for another year, of course.

