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@projectzynera: He grabbed the wrong part… and accidentally saved millions of lives. 🫀⚡ The true story of how a 1950s engineer’s mistake became the pacemaker. #HistoryTime #inventions #pacemaker #Science #didyouknowfacts #animation #storytime #historyfacts

projectzynera☂️
projectzynera☂️
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Region: CZ
Wednesday 11 November 2026 21:31:50 GMT
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