• nacho (47)in #science • 9 years ago

  Concrete lighter than Water

  Yesterday, I received word that my research grant for "Minimizing Portland Cement in an Ultralightweight Concrete Composite" was approved! What does this mean essentially…

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• nacho (47)in #introduceyourself • 9 years ago

  My name is Andy Roberts

  Who am I? I'm a recovering facebooker. I was in undergrad when I joined in 2006(?) and quit after the post-US election fervor and my newsfeed went to giggles. Other things…

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