圖像加註文字，這座18世紀的發條鐘既有鬧鈴聲，也配備了一套能點燃蠟燭的機制，蠟燭會在被點燃時彈起至直立位置。（大英博物館信託提供圖片）漏刻（又稱銅壺滴漏，即水鐘）在古希臘稱為「clepsydra」，流傳數百年。哲學家柏拉圖（Plato）被認為在公元前5世紀率先將其改造成鬧鐘：他讓水流進密閉容器，壓力增加後最終會釋放出像水壺般尖銳的哨聲。錢普恩指出，水鐘也是最早的自動村鐘（village bells）之一，透過放水的大型水盆帶動鐘槌敲響——12世紀的一份紀錄甚至提到某座水槽曾被用來滅火。
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Campbell: This list changes little from year to year. Of this year’s top 20 donors, 16 have appeared at least one other time over the past five years. Six others have also made this list at least two other times since 2021. For the third year in a row, former New York City Mayor Mike Bloomberg is at the top of the list. He gave away over $4 billion in 2025, over $500 million more than the next highest donor.
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