Tabletop toy — the horizon of a rectangular wave.
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The most detailed picture of the Sun ever taken

The Solar Orbiter took a series of images from a distance of 75 million kilometers, which is tiny by the standards of space. They were then combined into a single mosaic.
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Scientists from MIT have captured the mysterious wave processes that accompany fertilization of an egg. They detected and even photographed whirlwinds that cascade across its surface.
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Robot waiters in Japan
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The most populous capitals in 2022 and 1922
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Fighting spines of the caterpillar Curetis acuta
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Acrobats over the abyss
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11 Sept 1956, William (Billy) Bishop, \#WW1 flying ace
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Summer 2020
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SF
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Kallima butterfly is a genus of daytime butterflies in the family Nymphalidae
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Fireflies on the field at night
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Industrial wallpaper printing
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Fire + solder PIC-60 + water
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