St. James is a smaller town with a main street and a railroad running though. But inside a local building, the main street ...

News & Products for the week of January 20th 2026 Model railroad operators and builders can get the latest information about ...

Baltimore & Ohio Ridgely Division Scale: HO (1:87.1) Size: extension: 8 x 8 feet, entire layout: 20 x 28 feet Prototype: ...

Biological models are experimental systems that recreate aspects of human tissue function or disease. For example, certain tumour cell lines may serve as cancer models, and transgenic mice that ...

Most modelers can pinpoint the photos, people, events, books, or stories that inspired them to build their model railroads.

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

A biophysical model is a simulation of a biological system using mathematical formalizations of the physical properties of that system. Such models can be used to predict the influence of biological ...