Hertz, Lorentz, Mach, Poincare, and others illuminate the ideas that so captivated Albert Einstein and shook our conventional ideas about space and time. Then Niels Bohr, a Danish physicist introduced quantum mechanics. Which was later used to created semiconductors, the technology of the Computer Revolution. There are many questions about the universe's size, growth, and its ultimate cause. Other cosmic topics include red shifts, white dwarfs, black holes, and the big bang theory.
Scientific theories explain the unstable, irregular, yet structured features of everyday experience.
We think of science as a way of discovering certainty in an unpredictable world. Yet science often produces more new questions than answers, and all scientific theories can change with new and better observations. This tape explores the power and limitations of this special type of knowledge called science. Click the order button below to place a secure order. Return to the top of the page.