| Category: General Science | Cool Site: August 2005 |
| You might never have thought of the lid on your toilet as a machine, but this site shows how simple mechanical devices dominate our everyday life. By inspecting items in a home, garage, and tool shed, visitors discover levers, gears, axles, inclined planes and other simple mechanics. Which simple principle is behind the lid of your toilet? You'll need the free Flash player. |
| + Bookmark |  | » Recommend | | – Report Broken Link |