Definition: Unbreakable, or unbreakable, is a concept in physics and engineering that describes an object or substance that will not break under any external forces. It can be defined as having zero resistance to deformation when subjected to compressive, tensile, or shear stresses. Unbreakability is often associated with materials that are inherently strong but have been intentionally designed to resist breaking under stress. Examples of unbreakable materials include diamond, which has a very high strength-to-weight ratio and is resistant to
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