http://cleantech.thepodcastnetwork.com/2007/06/05/the-cleantech-show-005-interview-with-gary-bertuch-hyssil-revolutionary-strong-lightweight-concrete/ Exploring the latest developments in clean technology that are set to revolutionise the way we harness energy, manage resources, manufacture, transport, and live sustainably with the environment. The Cleantech Show is a regular podcast of interviews with leaders involved in cleantech research, entrepreneurship, commentary and investment. Fri, 4 Jul 2008 15:13:09 +0000 http://wordpress.org/?v=2.5.1