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PhysicsGluing building blocks with geometry
Using blocks with simple shapes, researchers have found ways to construct strong panels with no fasteners securing most of the blocks.
By Peter Weiss -
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The new technology sounds great, but I am concerned about the food wrap described, given that my husband, among others, is acutely allergic to shellfish. If Yasa-sheet is, indeed, made from a crab-shell derivative, won’t it cause an allergic reaction? Lee DaneRidge Spring, S.C.
By Science News -
Materials ScienceLayered Approach
A decade-old method for creating thin coatings is poised to move from the lab to countless low- and high-tech products.
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PlantsEmergency Gardening
High-tech tissue culture is helping some ultrarare plants finally have sprouts of their own.