http://www.boingboing.net/2009/11/14...oogle%20Reader

"If you actually believe that 3 oz is a magical high-danger threshold, please consider adding a delightful, hallucinatory element of science to your pseudoscience by putting an Archimedes tank at the checkpoint. It would be a lovely counterpoint to your other scientific tests, such as the ducking stool and the spirit-rattles."