› added 12 years ago

97

TIL there’s a new type of cement that not only takes 80 to 90% less energy to produce but also cheaper and stronger than normal cement

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vPRQR TIL On Sept 1st 1857 New York had a parade to celebrate the first transatlantic telegraph cable. The project took four years to complete and the line failed later that month. It was not until 1866 when communications reopened after the third line was laid (the second line snapped at sea).
Y7BbA TIL The Great Wall of China is not visible from space, despite popular belief
Nr4M TIL Al Jolson famous for performing in blackface was the only white man who was allowed into the all-black nightclubs in Harlem. The reason being that he helped many black people succeed in the music business and fought against racial discrimination.
RjJw TIL that vibrant star twinkling in the night sky is an indication that there is significant instability or turbulence in the atmosphere… which is a good sign that a front or stormy weather might be on its way.
0wgjL TIL Conan O'Brien was expected to become the showrunner for The Simpsons before he was selected as the new Late Night host in 1993