Your iPhone's battery life might be impressive, but it's nothing compared to the longevity of these ancient 'walkie-talkies'. Prehistoric shell trumpets used to communicate over long distances have ...
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Prehistoric shell trumpets used as walkie talkies play a tune for the first time in 6,000 years
Your iPhone's battery life might be impressive, but it's nothing compared to the longevity of these ancient 'walkie-talkies'. Prehistoric shell trumpets used to communicate over long distances have ...
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