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The Bloomfield Science Museum presents "Electricity."
About the exhibit:
There are electrical appliances everywhere, but, if we look into what they actually do, we will discover that electricity is required as electricity only in extreme and special cases, such as the electric chair and perhaps a few other special laboratory instruments.
In practice, we need electricity only to produce from it light (bulbs), heat (stoves, kettles, electric blankets, toasters, microwaves...), force and movement (electro-magnets, fan motors, mixers, washing machines, dryers...), sounds (loudspeakers, stereo systems) and data transfer (telephones, faxes...).
The greatness of electricity lies in its ability to change into different forms of usable energy. But that is not all: Electricity can also flow from one place to another with the greatest ease, along relatively thin wires. And most important of all: it is very easy to control the flow of the electricity. It is so easy, in fact, that with the turn of a switch we can operate in one go ten or a hundred and even a thousand light bulbs or fans, or ovens or any other electrical appliance in the home.
Until 150 years ago, electricity was a sort of charm, a form of magic, that could be used to attract objects to each other or to ignite flashes and sparks. At the Exhibition you will be able to see how electricity has become "fuel" that moves nearly the whole of technology. You will be able to see the principles lying behind the various electric light bulbs; learn how a strong electric current can turn even the air into a magnet or can make an aluminum ring fly; you will see how an electric motor and a dynamo work and whether there is any difference between them; you will see how gas lights up when an electric current flows through it, and you will even be able to change the type of gas and, with it, the color of the light. You will be able to understand how a micro-wave oven works and hear the electric currents flowing in your own body. You will be able to switch on bulbs that are not connected with any electrical wires and you will also be able to electrocute yourselves with a weak current that is not dangerous (don't try it at home!!!).
Monday to Thursday 10:00 to 18:00; Friday 10:00 to 14:00; Saturday 10:00 to 15:00; Sundays closed
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