Science In Daily Life

Using the Sun for Power - How It Works - With massive rebate programs and tax credits being issued by state and federal governments, using the sun to generate electricity is very popular. So, how does it work? Generating electricity from the sun is all about converting sunlight into power. Importantly, the process has nothing to do with converting the heat produced by sunlight into energy. This common misconception leads to a lot of confusion regarding solar systems. The technology behind solar systems is known as photovoltaic technology. Essentially, this technology involves using sunlight to create a chemical reaction. During the chemical reaction, electrons are released from the relevant material and collected by tiny wires. This process creates a direct current of electricity. The electricity is then converted to usable alternating current electricity and stored in a battery or fed into a utility grid system. Solar platforms use this exact process to produce energy. The arrays are...

Using Biomass Power for Our Electric Needs - Electricity is a fundamental pillar to any modern society. Unfortunately, we need fuel to create electricity. This brings us to the subject of biomass as a new source of power. Using Biomass Power for Our Electric Needs Biomass is a term used to describe natural, biological materials that can be used as fuel to produce energy. Biomass is a broad term that includes many different types of fuels, from garbage to landfill gas to ethanol. The electricity biomass produces can be used to power many different things from industries to homes, and once properly researched and put into use, biomass will definitely cut down on the world's use of fossil fuels and other harmful sources of energy. The most common types of biomass can be grouped into one of three categories. Wood (and related) products are things like lawn clippings, wood chips, leftover wood scraps from lumber production, dead trees and leaves. Garbage products are items within garba...

USB ditibal microscope - A portable USB Digital Microscope that fits in the palm of your hand, providing remarkable picture and video quality.  Effort-less USB plug and play setup and the easy to install software allows magnification 10X-200X with the ability to display & capture snapshots and movies on your PC. The microscope is detachable from the stand to allow you to get closer to large objects.  This allpurpose USB Digital Microscope provides unmatched features and flexibility suiting a broad range of applications with advanced image processing and webcam capabilities. It is a cost effective and a innovative way to discover, capture & share still images and videos. This product is wide used in following industries: Jewelry / Gem Industry Lab / Pharmaceutical R & D Education and Research Insects / Plants Dissection Dermatology/ Medical Analysis Paint / Plastic Industry Antique / Collection Textile / Printing Industry Computer / Electronics Currency / Credit Ca...

Understanding the Scientific Method - Understanding the scientific method and how to follow it is critical to building a good reputation in the technical community. In regards to science fairs, as a student progresses in grade levels the judges are going to demand more and more focus on using the scientific method. Here is my seven step description of the scientific method. 1. Define the question 2. Gather information and resources 3. Form hypothesis 4. Perform experiment and collect data 5. Analyze data 6. Interpret data and draw conclusions that serve as a starting point for new hypotheses 7. Publish results In science fair competitions, if you can show that you are following the scientific method, you are well on your way to impressing the judges. Basically, start out by defining your question and topic. After that, form a hypothesis and perform your experiments. Step 6 is where you use that data to make any new hypotheses or theories about your science topic. If you want, you can ...

Understanding The Check Engine Light - On all modern vehicles there is a computer that controls the way the engine operates, this computer is called Electronic Control Module, or ECM. The purpose of the ECM is to maintain the engine running within emissions limits and at top efficiency. With the very strict emission regulations of today, this is not an easy task to achieve. Precise and constant adjustments to match various conditions of the engine must be made by the ECM in regards to speed, load, engine temperature and others. How the ECM works: A number of sensors are available that provide the ECM with the information it needs, such inputs are engine and ambient temperature, vehicle speed and load. The ECM makes adjustments by advancing or retarding the ignition timing, adds or subtracts fuel or increases and decreases the idle speed. In the exhaust, before the catalytic converter, an oxygen sensor monitors the quality of the combustion produced in the cylinders. The sensor produce...

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