An artist in Iowa named Patrick Acton built a complete model of Hogwarts out of matchsticks.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Pope Francis was once a nightclub bouncer.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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London's King's Cross railway station has a platform 9 3/4 in dedication to Harry Potter.
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