00:00Ancient structures gained stability from internal tensioning using timber and ropes, influencing pre-stressed concrete.
00:06Imagine massive stone blocks stacked high.
00:09How did these huge structures stay together?
00:12Builders ran timber through stone blocks, soaked wood expanded, creating internal tension to secure them.
00:18Ancient builders ingeniously used internal timber and metal elements to bind stone, creating powerful internal resistance against separation.
00:25For the full unbelievable story of how ancient builders conquered gravity, check the link in bio.
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