This article was taken from the November 2011 issue of Wired magazine. Be the first to read Wired's articles in print before they're posted online, and get your hands on loads of additional content by ...

Last week, the propane cannon positioned in the 100 block of Merrifield Drive has been sounding off automated blasts between 5 and 9 p.m. to discourage about 100 scavenger birds from roosting on the ...