Read about the luxurious rail car George Pullman introduced that made transcontinental rail travel so desirable.

Everything necessary to know about the Westinghouse Air Brake for railroad cars is included on this site. There are diagrams of the air pump, triple valve, and advice on how to use the brake correctly. This brake was a life-saver for...

This page offers a detailed description of and a link to a set of lessons that will assist teachers in targeting NGSS standard HS-PS2-3. Students investigate momentum and impulse and are challenged to solve an engineering problem that is...

A very interesting article discussing the development of embedded wireless technology, where everyday devices, from cell phones to cars to heart monitors, are able to communicate seamlessly and automatically.

The Obama Administration moves forward to improve fuel efficiency standards in the United States and faces some challenges. Follow article with assessment and discussion questions provided. January 27, 2009.