This Beautiful Speaker Is Made of Concrete. Yes, Concrete Ifeadi C. 12:34 WIRED, Zero Tech Blog Master & Dynamic's new speaker looks as stunning as it sounds. The post This Beautiful Speaker Is Made of Concrete. Yes, Concrete appeared first on WIRED. via Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsDog movies of the 90s, ranked9 terrifying tech and science innovations we want to see in 'Black Mirror' Season 5Aliens kill an old man and turn him into a W.M.D. in 'Inuyashiki: Last Hero,' a bizarre must-watchLearn to read faster and improve your memory for just $9Winklevoss twins' Bitcoin ETF got rejected a second time, but...Say hello (and goodbye) to these August Netflix picks