In the Maker Shed: Poulsen’s Wire Recoder Kit

Education


Poulsen’s Wire Recoder Kit
, from the Maker Shed, uses wire and magnetism to record sound. Danish engineer Valdemar Poulsen discovered that it was possible to record electrical signals in magnetic material and invented the magnetic wire recorder (telegraphone) in 1898. His invention eventually lead to modern magnetic audio and video tape recording. This simple yet fascinating kit lets you explore this phenomenon not just on wire but anything magnetic! Save your voice on scissors, chairs, or even an escalator!

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