Posted by zog
on May 7, 2009, 10:49 pm, in reply to "RE: Cognitave Dissonance"
And welcome back, and if you can remember your old handle, I might as well!
Yes, that is sure some interesting stuff, good link. One possible way to move the stones is dragging them obviously, but constructing mounds of packed earth first, drag into place, then dig the dirt back out and haul it away. Tedious, but eliminates the need for constructed ramps of anything else, and wouldn't leave any evidence from that long ago either. Packed/rammed earth and stone waste would suffice, if the slopes made were long enough and gradual enough. And you can stack them as well with that technique. I see it here where I live with clay soil. Nature does it. Day after it rains, still soup and mushy, you try to walk or drive over it, you leave deep ruts. Three days later if the sun has been out and it has been warm, literally hard as a rock, you can drive a really heavy tractor over it and not sink in a quarter inch. Takes a pick to chip away at it.
But I do agree with you that we are not alone in the Universe and might be still a rather primitive civilization. Even at our level of technology now we have stealth aircraft and craft that can fly so high and fast that with the naked eye you just wouldn't notice it. Just those war drones they use now go about mostly unseen by the folks below, so imagine the tech that a civilization just a couple thousand years older than ours (which is a drop in the cosmic bucket really) might have. Just this week there was some breakthrough where they think "warp drive", faster than light travel, might be theoretically possible. That's a big game changer there when it comes to contemplating interstellar travel..
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