Discovered he had been outdone by Guglielmo Marconi, whose radio waves had sent a message across nearly 10 miles (16 km)
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- #corroborated
Discovered he had been outdone by Guglielmo Marconi, whose radio waves had sent a message across nearly 10 miles (16 km)
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-15 from Wikipedia. The archived copy is preserved so this citation survives link rot.