Nerd Knowledge

BY CHARLES BETZLER, HERALD WRITER Perhaps nothing is more ubiquitous than the touchscreen. From smartphones and tablets to ATMs and self-serve kiosks at McDonald’s, they are part of our everyday lives. […]

BY CHARLES BETZLER, HERALD WRITER Dreams have intrigued scholars and scientists for centuries. There are a plethora of postulations as to why we dream and what they mean.  For eons, people have

BY CHARLES BETZLER, HERALD WRITER Critical thinking is the ability to think clearly and rationally about what to do or what to believe. It includes the ability to engage in rational

BY CHARLES BETZLER , HERALD WRITER When you buy a new smartphone, TV, or laptop, there’s a good chance that you’ll be offered an extended warranty. In-store sales staff often push

BY CHARLES BETZLER  HERALD WRITER Before we learn what makes a battery charger work, let’s examine how a battery functions. A battery is a self-contained power source that stores chemical energy

BY CHARLES BETZLER, HERALD WRITER There is enough DNA in the average person’s body to stretch from the Sun to Pluto and back 17 times. The human body carries 10 times

BY CHARLES BETZLER, HERALD WRITER Self-acclaimed “experts,” “holistic practitioners,” and other purveyors of pseudoscience are prolific on social media and the World Wide Web. Their overarching mantra is “Live a chemical-free

BY CHARLES BETZLER  HERALD WRITER When we peruse the Internet, we utilize search engines, such as Google, to find what we are looking for. However, websites that are found through conventional

In recent years, electricity costs have skyrocketed and I am going to tell you how to calculate how much electricity you are using, how much it is costing you, and finally, how to reduce those costs.