Radio Waves

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What Are Radio Waves

Radio waves are the electromagnetic waves with the longest wavelengths and lowest frequencies they include broadcast waves and microwaves

Radio waves everyday by using cellular devices and well radios

Facts from NASA

Radio waves can be as longer than a football field or shorter than a football. Radio waves do more than just bring music to your radio. They also carry signals for your television and cellular device.


Cellular phones also use radio waves to transmit information. These waves are much smaller that tv and fm radio waves

TV

The antenna on your tv are set to receive the signal in the form of electromagnetic waves, that is broadcasted from the station and Is displayed on your tv.


Cable companies have antenna or dishes that receive waves broadcasted from your tv. The signal is then sent through a cable sent to your house


Danger

Large doses of radio waves are believed to cause cancer, luekaemia and other disorders. Some people claim that the very low frequency field from overhead power cables near their homes has affected their health, although this has not been reliably proven. http://darvill.clara.net