Another sign the world is coming to an end: John Denker & I have the same problem with the AC/DC/CRO question. To quote "I cannot imagine what the intent of the question might have
been."
PS
From John Denker
Redneck beer cooling remark: Carbon dioxide fire extinguishers are used to cool beer. Liquid nitrogen is used to make ice cream.
Trebuchet on truck : The trebuchet is in the back of the pickup truck. It is only loaded during pumpkin growing season however.