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Primordial Space
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- 1Video traces history of the first transatlantic telegraph cable●⚡ NEW: A # video from Primordial Space traces how the first transatlantic # telegraph cable, laid 168 years ago, connect
Primordial Space has released a video tracing the history of the first transatlantic telegraph cable, laid 168 years ago to connect North America and Europe. The account walks viewers through the technological precursors, from Jean-Antoine Nollet's 1746 electric shock experiment and Claude Chappe's semaphore towers to Volta's battery, showing how early electrical discoveries eventually made instant intercontinental communication possible.
- 2Ancient hydrogen detection offers new way to probe universe's expansion▼Ancient hydrogen spotted in the early universe could open a new way to study space's baffling expansion
Scientists have spotted ancient hydrogen in the early universe, a discovery that could open a new way of studying the baffling expansion of space. The finding gives researchers a fresh observational tool for probing how the universe grew in its earliest epochs, and it is drawing attention as a potential step toward resolving tensions in measurements of cosmic expansion.