Addresses the relationship between cities and technology. Reviews various interpretations of scholars writing about consequences of urban technology and infrastructures. Notes current scholarship concentrates on segments. Contends the past can shape urban future and historians need a sense of the whole. (NL)

Contends that the "historical detective work" of oral history helps students break free of their textbooks and become active collectors of information. Provides five recommendations, six teacher guidelines, and seven student guidelines for implementing oral history in the classroom. (CFR)