Tips on What to Do When the Sky is Cloudy for Amateur Astronomers

By Joseph Swinden It's typically the bane of an eager novice astronomer. You've selected your favorite telescope and set it up in the daytime. You actually seriously watch the sky through the day and it more or less all seems to be excellent, the sky is actually clear. And then the sun sinks and the heat level reduces and lo and behold typically the clouds move back in. So what do you do? Possibly the best aspect of astronomy...

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The Many Benefits Of Thermal Spraying

By Harry Graham For many years, manufacturers have been using thermal spray as an effective and efficient way to repair industrial equipment and their components. They have also been used to help prevent corrosion and rust of plastics and metals. In recent years, thermal spray manufacturers have combined their efforts to create new spray materials and systems with more modern and attractive features. This has made it possible for...

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What is vertical-axis wind turbine?

By Diane Levey History The vertical axis wind turbines (VAWTs) happen to be in use for a lot more than 1300 years. It was traditionally made use of to pump water and grind grains. It can be one of the varieties of wind turbine, the other becoming the horizontal axis wind turbines (HAWTs). These VAWTs are cost-effective, reputable and sensible approach of power generation. Why is it called as Vertical Axis Wind Turbine? This...

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General Description On Magnetic Coils

By Juliette Cruz A coil is basically made by winding a wire around an iron core a number of turns. When electricity is passed through the conductor, magnetic fields are generated. The fields are used in a number of electrical circuits in order to achieve a certain objective. Magnetic coils are therefore essential and have been applied in a number of areas. When electrical energy flows through a conductor, magnetic field is created....

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