Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:
https://www.quora.com/What-modern-technology-was-within-the-technological-capabilities-of-older-civilizations-e-g-Assyria-or-Ancient-Rome-but-wasnt-done-because-they-were-ignorant-of-the-principles
RE: Lost Technology
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Lost Technology
This was one of my answers on quora! I want to share it with all you steemians=D!
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