Nerd Knowledge

Should You Buy an Extended Warranty for Your Electronic Device?

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 extended warranties hard for consumer electronics. Is it because they fear the device will fail and be left without coverage, or is it because extended […]

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Nerd Knowledge: How do Battery Chargers Work?

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 and converts it into electrical energy; this process is known as electrochemistry. The basic unit of a battery is an electrochemical cell. Typically a cell

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Did You Know These Amazing Science Facts?

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 more bacterial cells than human cells. There are eight times as many atoms in a teaspoonful of water as there are teaspoonfuls of water in

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Nerd Knowledge: The Facts about Chemicals

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 life.” This phenomenon is known as “chemophobia.” This, of course, is impossible. To begin with, all matter, whether it is liquid, gaseous, or solid, is

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Nerd Knowledge: What Is The Deep Web And The Dark Web?

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 search engines comprise only .03 percent of the total pages available and comprise what is called the “Surface Web.” The other 99.97 percent is made

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Nerd Knowledge: How to calculate your electrical energy consumption

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.

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