Peter Lafferty

Discusses heat, both as a natural phenomenon and as an application in industry, and presents related projects.

Demonstrates the properties and uses of magnets and how the magnetic earth affects a compass. Includes experiments and projects throughout.

Describes a variety of record-breaking machines and inventions, including the fastest train, the first mechanical clock, and the largest airships ever built.

Traces the use of bicycles from their origins to the present day, with competitive racing and all-terrain bikes.