ÃÛÑ¿´«Ã½

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Italian inventor Guglielmo Marconi is acknowledged as the inventor of wireless technology, which led to the birth of radio and what would become the ÃÛÑ¿´«Ã½. Much of this work took place in Chelmsford and nearby Writtle in the early 1900s. Radio historian Tim Wander explains how it revolutionised communication as we know it. (Photo credit: Bettmann/Getty)