Последние добавленные видео:
roman-concrete
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6 years ago
2610045 6 years ago 9:34Was Roman Concrete Better?
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7 months ago
267527 7 months ago 8:24Why isn't Roman Concrete used today?
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7 years ago
3668214 7 years ago 18:46How To Make Roman Concrete
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5 years ago
332758 5 years ago 7:37What Made Ancient Roman Concrete So Durable?
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3 years ago
2389389 3 years ago 8:40Why was Roman Concrete Forgotten during the Middle Ages?
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2 weeks ago
12053 2 weeks ago 1:14We Finally Know Why Ancient Roman Concrete Lasts Thousands of Years
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2 years ago
40323 2 years ago 11:29Why Roman Concrete Lasts for 1000 Years
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4 months ago
164694 4 months ago 4:29Why Ancient Roman Concrete Is Better Than Ours
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4 years ago
503512 4 years ago 18:03How to Make Roman Concrete (4 Different Materials, 4 Different Strengths)
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2 years ago
398799 2 years ago 7:52We FINALLY Figured Out The Secret of Roman Concrete
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2 years ago
11976 2 years ago 12:19Roman Concrete's Secrets Finally Revealed
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7 years ago
145749 7 years ago 1:58How Ancient Romans Made Stronger Concrete Than Today
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1 year ago
3384527 1 year ago 20:26Ancient Rome Expert Answers Roman Empire Questions From Twitter | Tech Support | WIRED
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1 year ago
278757 1 year ago 12:12How Did the Ancient Romans Make Concrete So Much Better Than Ours?
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10 months ago
667389 10 months ago 1:48:16How Ancient Romans Made Perfectly Straight & Durable Roads, Concrete Better Than Ours, & Much More
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2 years ago
22362 2 years ago 6:08DEBUNKING the Roman Concrete Hype
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4 years ago
1013322 4 years ago 22:19PRIMITIVE SKILLS: How To Make Roman Concrete (ancient concrete)