How Fossil Fuels Contribute To Climate Change

Fossil fuels produce electricity, run car engines, make plastics, and power mills, factories, and industries. They have been a primary energy source for humans. According to the US Department of Energy, they supply nearly 90 percent of our energy. This also clearly shows our dependency on fossil fuels. They are widely used, easily accessible, and even easier to …

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How to Test a Car Battery With a Multimeter

How do you feel when you wake up earlier in the morning and realize that your car isn’t starting because of the battery? I know it is not a good experience, too many people will prefer to visit an electrician for a checkup. In this article, we’ll discuss how to test a car battery with …

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How to Measure The Current Strength of a USB Port With a Multimeter

On devices, the current strength that they can withstand is rarely indicated. The main ones are voltage and power consumption. But in some cases, it is indispensable to define this characteristic. We will tell you how to measure the current strength with a multimeter and how you can use the data obtained. How to Measure …

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How to Test Capacitor Without Desoldering

Tracks and pads on modern boards are getting smaller, and the boards themselves are often multi-layered. All this significantly complicates the process of detaching an element to control its performance. Therefore, the question becomes relevant: how to check a capacitor with a multimeter without desoldering it? Let’s try to find a solution. How to Test …

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How to Use a Light Meter

The light meter is a device for measuring illumination, brightness, and ripple. It is necessary to determine the quality characteristics of light. Dim lighting and a high pulsation factor cause stress on the organs of vision, which negatively affects the general condition of the body: fatigue, unexplained depression, and other unpleasant sensations appear. The main …

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How to Find The Mass of an Object

You might have a physics or physical science class in middle school, high school, college, or even have to find the mass of an object at work. Whatever your reason is for needing to find out this value, you must get an accurate reading of the mass that you are trying to figure out. To …

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How to Calculate Watts

The watts calculation is an easy way to determine the amount of power you are using in your home or business. How to calculate watts and how much wattage each appliance uses, will help you to use electricity efficiently. Here’s how to calculate watts: How to Calculate Watts 1. Check the wattage of the appliance …

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What Does a Condenser Do on a Microscope

Microscope condensers consist of one or more lenses located directly under the microscope stage. By focusing the light rays from the scattered microscope source, the lenses produce a tidy cone or beam of light that shines through the stage aperture and specimen. The operation of most microscopes is based on two factors. The first is …

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How to Draw Square

Squares have four congruent sides and four right angles. They must be easy to draw, right? Not quite. It takes more than a steady hand to draw a perfect square. Either a protractor or compass can be used to draw a perfect square. It may be a mystery to some of you. What makes drawing …

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How to Draw a Cube

You’ll learn how to draw a cube by hand using the ideas of two-point perspective in this lesson. This lesson is not about technical details. Drawing cartoons and comic-style art is the best use for the skills you will learn here. Drawing three-dimensional cubes require some basic knowledge. Some mistakes are easily corrected if you …

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