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TIL that it took over 20 tons of tallow, soap and train oil to grease the slipway when Titanic was launched

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EgMWP TIL that in 1853, linguist and explorer Richard Francis Burton disguised himself as a Muslim and made the hajj, the pilgrimage to Mecca which is required of all Muslims. He later wrote a book about his experiences.
P1oAO TIL Schrödinger created the Schrödinger’s Cat thought experiment to discredit the theory of superposition rather than support it.
VB4bm TIL there are an estimated 3 million plus undiscovered shipwrecks in the worlds oceans.
W7aYY TIL that only the Dutch use a special sign called a ‘krul’ or a ‘flourish of approval’ to indicate approval of schoolwork and other written documents.
x6Oe7 TIL the human voice is as unique as the fingerprint- each person's voice is distinct and identifiable due to a combination of anatomical factors like vocal cord size, throat shape, and speaking patterns, making it nearly impossible to find two identical voices.