Uninterruptible Power Supplies

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These days, people store their lives on their computers -- and frequently forget to back them up. A crash can be a disaster. If you work from home (as more and more people do today) or have a lot of important information on your home machine, a surge protector alone may not be enough. You want to make sure the power keeps going even if your local electric grid starts showing a strain. In short, you need a UPS.

Humans are considered the most evolved beings on the face of the earth since we can produce almost anything. This belief tends to be accepted because of the fast improvement of various technologies over the last few decades. Not so long ago computers were something unimaginable-even Utopian. However, these kinds of thoughts vanish when a blackout occurs and you stand there with advanced tools, but nothing works. Fortunately, there's a technological solution to this very problem; in fact, it's the reason that UPSes exist!

UPS is the abbreviation for Uninterruptible Power Supplies. As its name suggests, a UPS is responsible for delivering a supply of power that stays on no matter what happens. Such devices look like a great idea for every electrical tool, but in reality, due to relatively higher production costs, they are mainly used in telecommunications and in the world of IT and computers, where a power failure can turn into a major loss of money and effort.

First I will present why and where such investment is necessary. I'll also give a theoretical explanation of the device. This will include a quick physics lesson to aid your comprehension. If I convince you to read further, you'll learn what to look for when you want to buy an uninterruptible power supply from your favorite store. 

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