A Mexican Scientist's Glow-in-the-Dark Concrete Could Light Up Cities Without Electricity http://j.mp/2allIMO @calestous
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Agreed. We need to think holistically & that will be NEW & HARD
Bandaids won't work
& we're out of time
@calestous@ChangeAgentSA@REMEZCLAThanks. Twitter will use this to make your timeline better. UndoUndo
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You know about concrete right?