Walk into nearly any American school this fall and you’ll see a striking trend: phones are gone. Locked pouches. Classroom baskets. Outright bans. Three out of four U.S. public schools now prohibit ...

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 ...

Materials stocks are essential to the metabolism of society because this sector is responsible for producing the raw materials used by all other sectors of the stock market. That's why it's important ...

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 ...