Welcome to the ME 270 course website for the Fall 2025 term. The material on this site is a complement to the lecture book for the course. And, all material here is accessible without the need to log ...

The border wall built during the Trump administration now stands along roughly 190 miles of Arizona's border with Mexico. • It's 30 feet tall in most places. • Its steel bollards are six inches wide ...

Chicago’s museums are world-class, but all those bones, weather simulators and rides in Chicago’s first El train car don’t come cheap. Throw in parking, special exhibits and the gift shop, and it adds ...