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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!

Maker Shed

The Maker Shed is brought to you by Maker Media, the makers of MAKE Magazine, the Maker Faire, and much more.

Launched originally as a source for back issues of MAKE Magazine, the Maker Shed expanded rapidly to meet the demand for ‘projects in a box,’ otherwise known as kits. Now we have a little bit of everything for makers, crafters, and budding scientists, from Arduinos to sock monkeys to chemistry sets .


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