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AT&T Through History - High Vacuum Tube Amplifier.
AT&T 2026-02-25 に公開
Before amplification, reaching a crowd meant projecting your voice as far as it could carry. Sound had limits.
In 1913, engineers at AT&T developed the high-vacuum tube ...more
High Vacuum Tube Amplifier | 150 Years of Connecting
AT&T 2026-02-25 に公開
Sound used to travel only as far as a voice could carry.
The high-vacuum tube amplifier gave sound power and reach.
Suddenly, one voice could fill a stadium or reach ...more
AT&T Through History - Call to the Moon
AT&T 2026-02-24 に公開
How did a human voice travel to the moon? This is the story of the communications breakthrough behind the Apollo 11 Moon Landing and how satellite transmission changed wh ...more
Ep 6 "Unknown Caller" - "girl, it's just Kelly!" I Miss Communication
AT&T 2026-02-24 に公開
Starring: @WereYourGirlsPod @taryndelanie
Subscribe to our channel! http://youtube.com/att
At AT&T, we believe that Connecting Changes Everything. And we love connect ...more
AT&T Through History - Transatlantic Telephone
AT&T 2026-02-23 に公開
1956: Talking across the Atlantic was nearly impossible.
Voices bounced off the sky with radio, weather, and solar flares deciding if anyone could hear you.
Then, engin ...more
Transatlantic Telephone | 150 Years of Connecting
AT&T 2026-02-23 に公開
Before 1956, the Atlantic Ocean was a mute button. 🌊
Then the first transatlantic cable allowed 36 calls at a time to connect New York to London.
From underwater cabl ...more