There’s a Giant Flaw in Human History
- By stevevw
- Physical & Life Sciences
- 518 Replies
Yes I guess if you want to work out what may cause a mark then you would try different methods to see the results. In a way thats what I think the experiments in making the vases either by the bent stick method, bow drill, copper saw and the modern machine made vases.I've just deleted a rather lengthy post on log hewing. Suffice to say it's not common knowledge these days and it leaves marks. If you don't know how it's done, those marks are a mystery. Without any insult, if someone's never worked at making stuff by hand, they may be unaware that different steps in the process leave different marks. They would also be unaware of what's involved in smoothing them, or marks left during other aspects of construction. Quite simply, if it's unfinished or not necessary to remove the marks, those marks are going to be there.
That's what we're dealing with here. That scoop shape? That's a consequence of rubbing it back and forth. You can see the same thing where you don't want stuff worn down.
Just a suggestion, and it's one without any insult: Try making stuff. That's all. Just make stuff. See what can be done without the latest and greatest, because the latest and greatest means spending money. Simply making stuff can be an eye-opener.
The video actually spectulates on what could cause such scoop marks. Everything from pounding, chiseling, softened stone that leaves scoops and trowel type marks to plasma heat or intense heat that sort of melts and blasts stone away. Which does seem to leave similar marks. Who knows.
I just would not like to be the guys who had to pound all these works if that was the case. In some ways if it was pounding, grinding and rubbing it is more amazing I think. As its more or less freehanding what amounts to todays precision tool making.
If someone today produced a precision part for a racing team from rudimentary tools and freehand it would be unbelievable. We would think they had some sort of magic or extra sensory perception to be able to be so precise.
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