A look inside

Discuses the history of the camera and describes the parts of a basic camera and how they work. Also explains the function of different lenses and other attachments and how film is developed.

An overview of the braking and electrical systems, engine, and transmission of cars and an examination of unusual models and possible alternative energy sources for cars.

Discusses the development of the first modern laser, the parts of a laser and how they work, and applications of lasers in medicine and technology.

Presents an overview of passive and active solar energy, thermal energy conversion, and solar cells and platforms in space.

Describes the origins of coal, natural gas, and petroleum, explaining how they are refined and used to produce energy.