I'd just go ahead and gather me up some hippie socialists, set 'em in the stove with some kindling and light 'em on fire.
As they crackle and blaze on the hearth, hippie socialists are full of sap, ask 'em about global climate change. You'll get all the hot air you need.
casing: what sausage goes in
case: what bullets go in
2.9979E10 cm/sec -- it's not just a good idea; it's the law