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originally posted by: Woodcarver
Yea. I have seen these before. Along with gobekli tepe and other ancient architecture. There is no doubt that these are machine marks from long cutting edges such as what you would see from a band saw or a quarry saw which uses a very long diamond coated chain run by a motor.
I am an engineer/machinist, materials specialist. We do have machines today that will do this work and they leave the exact same tool marks as what we see at these sites. There is zero chance that these marks were made from copper anything. I guess it is possible that they could have fashioned a primitive version of one of these machines, but that doesn't answer what material they used as the rope/chain and then the cutting agent. It would have to as strong or stronger than basalt which is quartz and iron rich. These people are said to supposedly only have copper tools. Copper will not cut basalt.
a reply to: JamesTB
originally posted by: Mianeye
No copper alone will not cut basalt, but it is still possible.
Ancient Egyptian copper slabbing saws
originally posted by: Mianeye
a reply to: Woodcarver
You clearly didn't read the link i provided
originally posted by: Mianeye
a reply to: KnightLight
Was an experiment.
Thousands of people to do it, plenty of time to master, the Egyptians were not idiots.
originally posted by: tothetenthpower
I always cringe when I read these sorts of things.
Why is it that people are so willing to think that humans aren't capable of amazing things.
~Tenth