Bridges are one of the more impressive features found on a model railroad layout. Prototype railroads use bridges large and small to cross everything from simple streams to massive canyons. While ...

Model Railroader staff completed three custom bridges for the HO scale East Troy Industrial Park layout, combining kit-built and kitbashed designs to fit complex track and scenery needs. Using ...

Knowledge of the 3D structures of biological molecules can reveal the fine details of how the molecules perform their biological functions. The principal experimental techniques for determining 3D ...

Astronomers have just completed the largest high-resolution three-dimensional map of the universe, including more than 47 million galaxies and other massive objects. The map could help solve the ...