› added 7 years ago

469

TIL the loudest undistorted sound possible on earth is 194 decibels. Above that threshold the sound waves become shockwaves.

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Vk7k TIL that the Netherlands are in the process of building “Smart Highways” which will have glow in the dark lane markings, symbols that illuminate the road when adverse conditions appear and an electric priority lane which will charge electric cars as they drive - set to be ready for service mid 2013.
kJ7m7 TIL about the first recorded divorce in US history, in which the husband later admitted to having two wives and refused to return to his first wife with whom he had left his two children.
b6LoZ TIL An article on The Guardian from 2004 was one of the first to use the word "Podcast" in reference to rise of of "Audioblogging" as the iPod started picking up traction.
e0vXn TIL about Sibylla, Queen of Jerusalem, who agreed to annul her marriage to Guy de Lusignan to appease the High Court, on the condition that she have free rein to choose her next husband after her coronation. Upon being crowned queen, Sibylla immediately announced that she chose Guy as her husband.
7rkxL TIL: On average, cats spend 2/3 of every day sleeping. That means a nine-year-old cat has been awake for only three years of its life.