This is an excellent spot for a beam bridge. Beam bridges typically span up to 250 feet, and they're also the cheapest and easiest bridges to build. Congrats -- you've just made a lot of ...

Beam bridges, the simplest and most cost-effective kind of span, consist of beams made of wood, iron, or steel -- the stiffer, the better -- laid horizontally atop evenly spaced supports called piers.

A little introduction with "Build a Bridge" will give you a general idea of four main types of bridges and their uses (arch, beam, suspension and strut). Then you can play around with building bridges ...

Students making friends across the American divide 09:28. Under a nearly full moon in the unpolluted darkness of the night sky over Kansas, a group of student stargazers sat in a circle taking ...