DIY amplifier

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DIY amplifier
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Clip from Scope  |  ELEVEN  |  June 26, 2015
Classification: GeneralClassification: General
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Junior scientist Harry explains how to construct an amplifier for your smartphone using a paper towel roll, 2 milk bottles, a pen, and a pair of scissors. Amplification increases a signal, or sounds wave, by catching the waves and controlling their directionality before they disperse. In this case, Harry's DIY speaker using the cylindrical paper towel roll to catch the smartphone's weaker signal, forcing it in a single direction and increasing the volume.

Junior scientist Harry explains how to construct an amplifier for your smartphone using a paper towel roll, 2 milk bottles, a pen, and a pair of scissors. Amplification increases a signal, or sounds wave, by catching the waves and controlling their directionality before they disperse. In this case, Harry's DIY speaker using the cylindrical paper towel roll to catch the smartphone's weaker signal, forcing it in a single direction and increasing the volume.

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