Haaretz.com on MSN10mon
Thin, Bacteria-coated Fibers Could Lead to Self-healing Concrete That Fills in Its Own CracksEach BioFiber has three key components: a tough core fiber ... we add calcium to help the hydrogel solidify. The hydrogel itself is made up of a natural polymer found in seaweed called alginate ...
Students make it by combining a sodium alginate solution with a calcium chloride solution. The teacher uses this product to model answers to the three questions students need to answer in their ...
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