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Programmable logic controllers, or PLCs, are industrial and/or commercial computers created to run automated systems. Whether you know it or not, you come into contact with PLCs on a regular basis. From roller coasters at a theme park to traffic lights on Main Street, PLCs are the unseen, crucial component to automated life as we know it. Originally developed to replace relay circuits, PLCs have taken on a life of their own, and working with them can be exciting and rewarding.
This article has been rewritten to provide a more updated view. Click here to read the updated article, "Regarding Social Media in the Classroom".
Social media is one of the fastest growing forms of communication between family and friends. People converse via wall messages, tweets, and gaming interaction. Social Media plays a huge role in modern-day culture, with millions of people participating; therefore it can be a productive tool in your classroom.
In a previous article, I outlined the troubles companies have with employees who share their personal lives on social media. Each day brings new stories about social media faux pas, creating scandals for individuals and companies alike. According to a 2012 survey by PayScale, a salary and benefits information company, only half of the companies surveyed had a social media policy and 42% said they forbid all forms of social media activity at work.
As I approached a friend’s house the other day, I noticed a “No Soliciting” sign on the door. It got me thinking about how marketing is changing. The internet’s impact on marketing cannot be overstated; it has leveled the playing field and allowed anyone with a connection to selling their wares to the world.
On April 26, 1988, an air compressor hose exploded at a construction site on the Avenue of the Americas in Manhattan, hurling debris into the street and starting a small fire. Shockwaves from the explosion knocked over pedestrians on the other side of the street, and a piece of flying debris struck one of them. Accidents such as this emphasize the need for care when working with pneumatic tools (tools that are powered by compressed air).
Today teachers utilize video frequently for their classroom lessons. These videos can consist of either lesson for a flipped classroom, demonstrations of key concepts, or instructions to enhance the learning process.
