WiFi antennae made from cheap Chinese cookware

These Kiwi WiFi hackers are building cheap, incredibly powerful WiFi antennae out of Chinese cookware (like this $2 parabolic "dumpling scoop") and USB WiFi dongles. They've got extensive build and testing notes: I wonder where I can get a dumpling scoop of my own?

Link/Wayback Machine archive

(Thanks, Stan. Swan!)