A Companion Piece to the Everyday Metallurgy Podcast with Peter Kjeldsteen and Christos Pernagidis Have you ever stopped to think about the thin, invisible layers that protect your smartphone screen, give your luxury watch its brilliant color, or ensure your drill bits last 10 times longer? The answer is PVD—Physical Vapor Deposition. In a recent episode of the Everyday Metallurgy  podcast, our founder and PVD super-expert, Christos Pernagidis, peeled back the curtain on this fascinating...