Breakthrough inventions

Describes how the television set was invented, the science of television, and how television technology has changed over the course of its history.

Describes how cameras were invented, the science of photography, and how cameras have changed over the course of 160 years.

Describes individuals and technological developments that led to the invention of the radio and discusses radio waves, early radio broadcasting, changes in radio design, and types of radios other than AM and FM receivers, such as ham radios and walkie-talkies.

Describes experiments that led to the invention of electric light and discusses electric current, the parts of a light bulb, light bulb improvements, and the impact of the invention on people's lives.

Describes precursors of the computer throughout history, the development of the technology that made personal computers possible, the advent of the Internet, and the spread of computers into nearly every aspect of daily life.