EDITOR’S NOTE: Welcome to today’s guest writer, Stephen. ———- Helicopters are fascinating creatures. One of their distinguishing features is their ability to hover in place. This is essentially accomplished through a torque and force balance. For the forces we must look at Newton’s second law of motion: Notice the arrows on top of the force [...]
Discover Magazine recently published an article about the current state and potential future state of the GPS system (the article can be found here). From the article: The U.S. government has announced increasing concern over the quality of its Global Positioning System (GPS), which could begin to deteriorate as early as next year, resulting in [...]
When you are riding a bicycle or a motorcycle and are about to make a turn, you (often subconsciously) perform a small “countersteer” in the opposite direction of your turn before actually turning in your desired direction. That is, if you are about to make a right turn on your bike, you actually make a [...]
Read this: Giz Explains: Why Analog Audio Cables Really Aren’t All The Same. It has to do with resistance, capacitance, and inductance. Fancy stuff.
Imagine a manufacturing plant that produces a large quantity of the same items, such as Sun Chips, printing paper, or t-shirts, just to name a few examples. How do manufacturers keep their products to their desired characteristics (such as salt content in Sun Chips, brightness of printing paper, or actual size of a given t-shirt [...]