數理情色
甚麼是『數理情色』？這是個以輕鬆手法討論科學知識的blog，當然也是吸引人來看我的blog的綽頭名稱！
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Monday, September 05, 2011
九一一遺址的沉船
世貿九一一遺址, 原是古船拋錨處.
Pictures: 18th-Century Ship Found Under 9/11 Site
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