Elcronics

Our conception of the atom has undergone many changes since the day the idea that matter consisted of indivisible particles was first floated by the Indians and Greeks. However it is only in this century that we have come to know something of what truly goes on inside the atom. We are all by now familiar with the iconic picture of an atom - a circle with a couple of little circles whizzing around it, rather like the moon orbits the earth. In the case of the atom, the 'earth' is called the nucleus and the 'moons' are called electrons. What keeps the electrons hanging around the nucleus? Well, if you remember the old adage 'like charges repel, unlike attract': electrons have a negative charge, and the nucleus has a positive charge. The flipside of this is that the electrons need energy if they are to avoid spiralling into the nucleus. This was one of the main questions at the beginning of the century: where does this energy come from? The answer turns out to ...

Because it is a work where heavy tools are not involved, most people think that doing electronic repair or other kinds of electronic projects can be done in any type of table. That perception is absolutely wrong. You don't just do electronic projects on your dining table. For one thing you need to work on a place where you can focus. However, that is not enough. You also need to have an electronic work bench to do your job properly. But before you rush and buy an electronic bench, you need to take into consideration several factors that will help you find your ideal work bench. Material The first thing you should think about is the material and built of your bench. Wood is a great material for an electronic work bench. It is sturdy enough to hold many compartments and shelves where you can store your tools. Proper storage of your tools is important if you want to make your job easier. You don't want to delay your electronic repair work by searching your work area for a mis...

Our conception of the atom has undergone many changes since the day the idea that matter consisted of indivisible particles was first floated by the Indians and Greeks. However it is only in this century that we have come to know something of what truly goes on inside the atom. We are all by now familiar with the iconic picture of an atom - a circle with a couple of little circles whizzing around it, rather like the moon orbits the earth. In the case of the atom, the 'earth' is called the nucleus and the 'moons' are called electrons. What keeps the electrons hanging around the nucleus? Well, if you remember the old adage 'like charges repel, unlike attract': electrons have a negative charge, and the nucleus has a positive charge. The flipside of this is that the electrons need energy if they are to avoid spiralling into the nucleus. This was one of the main questions at the beginning of the century: where does this energy come from? The answer turns out to ...