Protect our electronics against EMP attack http://www.csmonitor.com/2005/1219/p25s02-stct.html EMP AND FARADAY CAGES http://unitedstatesaction.com/emp_and_faraday_cages.htm Fun one: How To Protect Your Electronics From An EMP Attack http://ibloga.blogspot.com/2010/02/how-to-protect-your-electronics-from.html Eight foot copper grounding pole is essential. Crap loads of youtube vids on this.