› added 9 years ago

433

TIL: There is a ½ mile long wall in Detroit originally built to separate blacks from whites

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via reddit.com

nWnDY TIL why Roman concrete beats all competitors
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W7bx9 TIL about Orbis et Globus, a 3-metre, 7-tonne concrete sphere on the island of Grímsey in northern Iceland, designed to move until the whole of Iceland leaves the Arctic Circle by around 2047. This is due to the Earth's axial tilt and it will not return for another 20,000 years or so.
neJy7 TIL When Dutch biking company VanMoof began shipping their bikes to the USA a lot of them were arriving to their new customers damaged, so they decide to put an image of an expensive, flat-screen television on the cardboard boxes.
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