mechanics

Presents a visual guide to items and animals of various strength and substance, including such examples as spider webs, bulldozers, black holes, lasers, icebreakers, and the Hercules beetle.

Explains how waves form and move, describes different kinds of waves and how surfers use them, and discusses the destructive power of tsunamis.

Explanations of how modern mechanisms work illustrate basic scientific concepts.

Simple text and photographs describe and illustrate push and pull movement.