Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Police State Engineers demonstrate first room-temperature semiconductor source of coherent Terahertz radiation 05-19-2008 • physorg.com The ability of Terahertz rays to penetrate efficiently through paper, clothing, cardboard, plastic and many other materials makes them ideal for use in many applications. Watch Streaming Broadcast Live: LRN.fm Watch live shows and archives TV Live Chat Telegram Share this page with your friends on your favorite social network: