TIL Roman concrete structures such as the Pantheon and aqueducts are ultra durable because of lime clasts. While many modern concrete structures crumble after a few decades, Roman concrete has self-healing functionality from lime clasts which allow their structures to survive millennia.
news.mit.eduSubmitted by The_Ry_Ry t3_11k322u in todayilearned
The_Ry_Ry t1_j9tb3h4 wrote
Reply to comment by -finalcut in TIL that in 1554 Elizabeth Crofts hid in a wall on Aldersgate Street, where she pretended to be a heavenly voice. Reputedly 17,000 people came to listen to her give out anti-Catholic propaganda. by Kurma-the-Turtle
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