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| “Ding Jinhao was here” - this 15-year-old Chinese kid scratched his name in the Temple of Luxor, an Egyptian artwork founded in 1400 BCE |
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| Wingsuit flight by Cedric Dumont over Nazca lines, a set of giant mystic markings stencilled into the Peruvian desert 1,500 years ago |
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| Workers set up a dust screen on a demolition site in Xi’an, Shaanxi province |
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| With the pitch drop experiment Professor Thomas Parnell illustrates the fluidity of an everyday material like pitch. In 1927 Parnell heated a sample of pitch and poured it into a glass funnel. From 1930 on the pitch has slowly dripped out of the funnel. 83 years later, the ninth drop is only just fully formed. |
(image source: De Morgen)
