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ucpk D.C. Panda Cub Takes First Steps
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 Steel was in short supply during the height of World War II, and there was nothing to be done but invent a replacement. One proposal was called Pykrete, a mixture of ice and sawdust that melted incredibly slowly. The idea faded away once the war ended鈥攂ut now, a group of Dutch architects and engineers are reviving it. In a big, big way.     First, stanley thermosflasche  a little backstory. Pykrete was created by a British inventor named Geoffrey Pyke. As io9 explained a few years ago, Pyke was convinced that he had a better option to replace steel: A special mixture of about 14 percent sawdust and w stanley travel mug ater. When frozen, this special fluid would form an amazingly strong hybrid material that didn ;t melt and was resistant to shattering. An artist   rendering of a pykrete-built ship. Via. In fact, the British government even considered using it to build an aircraft carrier. But when the war ended, Pyke   novelty faded away, though it wasn ;t entirely forgotten  maybe you saw this MythBusters episode about the stuff . Enter the Eindhoven University of Technology, where students and professors are resurrecting pykrete for use in architecture. Last year, a team build the world   largest ice dome with the stuff  check out an incredible making-of video here . Image: Joep Rutgers. Using an inflatable dome, they were able to spray enough of the mixture onto its surface to create a free-standing dome with a 98-foot span. Top image: Bart van Overbeeke/Pykret stanley cup eDome. Bottom Image: Joep Ru