Understanding Spectrum! | ICT #6

Use of the Internet on the go, or when making mobile phone calls, is made possible thanks to the invisible electromagnetic waves that mobile phones emit or receive. However, did you know that this electromagnetic frequency range, or spectrum, is a highly precious resource. In 2008 the US government made a whopping $19 billion through a spectrum auction. In this video we will look at the scientific reasons why this invisible electromagnetic frequency range is such a valuable resource.

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