How Buildings Stand Up
How Bridges Work
A good explanation on the basic concepts of bridge design from How Stuff Works.
How Skyscrapers Work
From "How Stuff Works," a discussion of the design techniques that allow tall buildings to stand up, and the reasons why some fall down.
How Stuff Works
Use this online enclyclopedia to find out how technologies work. Don't miss the popular "Toy Autopsy" section which explains the functioning of familiar toys.
How Wastewater Works
Simple explanation of what happens after you flush from How Stuff Works
How Water Towers Work
Simple explanation of how water towers are used to keep water flowing to citizens.