TECHNOLOGY TUESDAY The Wall That Heals Itself When a 4-Micron Bacterium Becomes the Smartest Engineer on Site By  Arindam Bose   Curious observer of where microbiology, lifecycle economics, and India's 700-million-tonne concrete industry collide ⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡ ⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡⬡ Every Tuesday, I Try to Keep It Simple Every Tuesday, when I sit down to write about construction and technology, I make myself a promise: "This week, Arindam... keep it grounded. One material. One process. Something you can hold in your hand." And every Tuesday, without fail, that promise collapses. Last week it was hydrogel windows that sweat like human skin — The Window That Sweats. Before that, GPU racks that rewrote Floor Space Index — The Compute Corridor. Before that, buildings that bring their own nuclear reactors — The Sovereign Campus. Before that, walls that store temperature like batteries — The Battery in the Wall. This week, I thought ...