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| Topic | Engineers create new substance stronger than steel yet weighing light as plastic |
| Kim_Seong-a 02/08/22 3:21:39 AM #18: | We are one step closer to the Japanese Super Pyramid https://en.wikipedia.org/wiki/Shimizu_Mega-City_Pyramid --- https://imgur.com/dAri4ON ... Copied to Clipboard! |
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