History: Guglielmo Marconi sent the first transatlantic radio si…

Question

Did you know? Guglielmo Marconi sent the first transatlantic radio signal on 12 December 1901 — from Cornwall (UK) to Newfoundland (Canada), 3,500 km away. The signal was "S" in Morse code. Critics said it was impossible due to Earth's curvature — Marconi used radio waves that bounced off the ionosphere.

Accepted Answer

Guglielmo Marconi sent the first transatlantic radio signal on 12 December 1901 — from Cornwall (UK) to Newfoundland (Canada), 3,500 km away. The signal was "S" in Morse code. Critics said it was impossible due to Earth's curvature — Marconi used radio waves that bounced off the ionosphere.

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