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Marconi sent a wireless transmission over the Bristol Channel. It went 4 miles and it said "are you ready"
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Nikola Tesla discovers he can send electricity wirelessly using his invention the tesla coil.
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Nikola Telsa. creates the Telsa coil to prove that electricity can be wirelessly transmitted. His final version burned down. He is given partial credit for the invention of radio because of this. photo credit: Live Science
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WEAF plays the very first on air commercial. It was a 10 minute long broadcast about an apartment complex. They paid the station $50 for the airtime.
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This was a time period where radio had shows, played music and became the communication and entertainment tool we know it as of today.