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Anyone good at physics?? (EM spectrum)


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I have to do this science project and we have several things to do about the Electromagnetic spectrum. Most of it i have been able to find on the internet, but for some reason i can't find simple answers (or even anything tat has to do with my question) about the detectors of the EM spectrum.

If someone could help i would be most grateful :)

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There is a video on you tube.

Its called Putting the Electromagnetic Specturm.

How does this work?

Its like a signal that acts for example when you want to tune into your local radio station. The Electromagnetic. Is comnunicating with your frequency.

They use in the Satelittes , there is a dizzing aray of technology that it is used in Televison is another examle at the back of a TV tube. it sends signals

so that we can watch whats on the screen. Mobile phones. Radar. is used on a microwave. Used in wars. Defense and Civil aviation. Dental x=rays. The more that is

one searches into the use of the specturm the more use. Basically

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I love this part of science. I wish I knew I could have studied this subject at school.

But here is a you tube Link courtesy Of Nasa

from my understanding I have been reading this all morning fascinating subject.

They are 2 types of Magnetic Fields say. The specturm and the Magnets used for picking up say paper clips etc.

In the Industrial world you have supper giant Magnets used for picking up crushed cars and scrape yard metal pieces.

Here is a link for this type as well.

http://science.howstuffworks.com/electromagnet.htm

both awesome ways Jehovah has created these fields.

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