John Vanse

What is a Heart Rate Monitor? Sometimes called a cardiac monitor, a heart monitor is an electronic device that is used to continuously track your heart rate. Using this information you can determine the target heart rate at which you will maximize the cardiac benefits from your exercise. There are more...

All the components necessary to build up a successful model train layout are expensive - locomotives, rolling stock, tracks, power controllers, buildings, landscaping, to list just some - these are all expensive. It is no wonder that the hobby of setting up and maintaining a model train collection is considered...

What is a hiatus hernia? Your diaphragm is a sheet of muscle across your abdominal area below your lungs which assists with your breathing. Your esophagus, that is, your gullet through which food passes from your mouth to your stomach, passes through a small opening in your diaphragm. This is the...

Although The American Flyer model trains were at their peak of popularity between the 1940s and the 1960s, they actually had a long history before that, and their popularity seems to be on the increase again today. William Hafner, working as a toymaker in Chicago, developed a clockwork motor for...

Over the past 100 years several methods of controlling electric model trains have developed. The first and simplest method was the use a simple variable transformer as introduced by Lionel in 1906 to lower the Alternating Current [AC] voltage from the wall to a lower, safer value and allow the user...

While high blood pressure [hypertension] can have serious health consequences, the negative effects on your health of low blood pressure [hypotension] are not widely understood.

Designing the track layout for their model train setup is a major task for model railroading enthusiasts. This article provides information about the options available for track layouts