Reels tagged #concrete
Inventions
Roman concrete gets stronger in seawater
Seawater reacts with volcanic ash in the mix to grow interlocking crystals, which is why 2,000-year-old Roman harbours still stand while modern concrete crumbles.
Seawater reacts with volcanic ash in the mix to grow interlocking crystals, which is why 2,000-year-old Roman harbours still stand while modern concrete crumbles.