Readers MPI and MWR both suggested listening to the Jim Puplava interview of economist Michael J. Panzner, the author of the book “Financial Armageddon.”. (Free audio podcast download. Scroll down to March 3rd–second hour.)
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“Kon Tiki” mentioned this video clip: A compressed air powered car being proptotyped in France.
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P.R. and J.B. both reminded me to mention that used concertina wire is often available at military surplus auctions. There are 37 pallets of used concertina wire up for auction right now at Fort Lewis, Washington. Those auctions end at 5 p.m. PST today (March 6th).