Concrete may have found it's killer app in graphene-based materials for heat/thermal management, but it hasn't limited itself to what's practical; it's made to be as useful as possible in both it's original, traditional form and as a host material for more advanced uses. Like a lot of construction materials, it's a simple material that you use to get a lot of complex results. (via The Register) Relevant to your interests Have a tip we should know? tips@themarysue.com