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What It Means to Be a Man begins with a discussion of machismo set in the context of the social construction of masculinity. Ramirez presents his interpretation of what it means to be a Puerto Rican man, discussing the attributes and demands of masculinity, and pointing out the ways in which strength, competition, and sexuality are joined with power and pleasure. He examines the erotic relationships between men as part of the expressions of...

Casimir effects serve as primary examples of directly observable manifestations of the nontrivial properties of quantum fields, and as such are attracting increasing interest from quantum field theorists, particle physicists, and cosmologists. Furthermore, though very weak except at short distances, Casimir forces are universal in the sense that all material objects are subject to them. They are thus also an increasingly important part of the physics of atom-surface interactions, while in nanotechnology they are being investigated not only as contributors to 'stiction' but also as...