Tom Foster demonstrates how an electro-magnetic wave is easily created with a battery and magnet while using participants of his ham radio class as a conduit. FHL employee, Lisa Cipolla is pictured with the blue vest.

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Photo credit: © Conner Flecks / Alamy / Afripics
License: Licensed
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Keywords: archive, armed, defence, forces, fort, ham, hunter, liggett, military, radios, reportage, servicemen, usa