Discusses why buildings need to be stable and about some of the methods designers use to make sure structures do not fall down. Includes activities
On cover: What stops these structures falling down?
Includes bibliographical references (page 26) and index
What is a stable structure? -- Stable structures in history -- Stable structures everywhere! -- Strong materials -- Stability in width -- Triangles -- Strengthening structures -- Joining methods -- Free-standing structures -- Free-standing photo frames -- Make your own-