A discussion of the life and achievements of Canadian inventor, Alexander Graham Bell. Focuses on the two fascinations that marked Bell's whole life: his concern for the deaf and for flight, and the inventions that resulted. This is a...

A brief biography of Jan Matzeliger, an African-American inventor who revolutionized the shoe manufacturing industry. Read about his early troubles and how he graciously lived his life. This is a transcript of an accompanying radio...

This article names six factors that must exist in order for a species to be domesticated by humans. Includes analysis of diet, growth rate, breeding, personality, disposition, and social structure. This is a transcript of an accompanying...

A biography of John Ericsson, a man who invented in three countries over most of a century. He invented an early locomotive, a hot-air engine, screw propeller, and the Monitor, which was used in the Civil War. This is a transcript of an...

A short lecture on trompe l'oeil in art that introduces the concept of realism turned to visual deception in artwork. It explores the great divide in theory between Plato and Aristotle which serves as an epistemological backdrop to the...