Robert Brenne is proving that a guitar amp can be built out of anything. Well, one comment suggests an amplifier made from a loaf of bread, so maybe that’s crossing the line – but who knows? Wired.com posted this article about a guy making homemade amps out of pop culture items like lunchboxes and thermoses, some of which he’s sent to his idols in Metallica and the White Stripes. Read more.