At 01:25 PM 11/15/2007, Lyndon Tiu wrote:
For example, the ground directly below a big cave would have less gravity because gravity is related to mass and if you have a void, there will be less gravity. You weigh less (just a very tiny bit) standing on the surface above a big cave. You can measure this slight change in gravity to determine what could (speculative) be underneath the surface.
Well, yes, you will weigh less if there's less gravity tugging on you from below. But you have to consider all the things tugging on you from above, as well. Consider all the billions of stars out there and the planets and whirling asteroids. Whether singly or in aggregate they must be pulling on you dynamically, as you are a part of the entire gravitational structure of the universe--you have mass, too, and they are sucking on it. When the Moon is overhead (not necessarily full) you will be pulled by the Moon's gravity just as the Earth's oceans and toilet bowls are, causing high tides vertically upward in your various organs and soft tissue. This should not be ignored by your analyst. You are ever so slightly taller--something which could affect your pants length. Then consider the Sun. When it comes up in the morning (figuratively, of course) your soft and pliable parts will be pulled to the east, no matter which way you're facing. These things all roll up to toward the top as noon approaches and then pooch out to the west as the day wears on. It has all the attributes of a soapy sponge being kneaded--only it is you.
This brings us to the even more important matter, the caving portion of our program. When you are in a cave gravity is working on you in both directions--and to the left and right and forwards and backwards. It is pulling you down, but the rock mass above you is also pulling you up. The walls are tugging away. You weigh substantially less--including your brain, or what's left of it. And whether there are passages in the rock above or below you also plays a part.
As your brain is stretched and massaged about it creates some very strange forces within it, possibly accounting for a few of the obtuse comments we see from certain subscribers to CaveTex. These vertical forces, or lack of them, will affect, say, how big your smile or frown is, how much a breast will sag or point upward, how big will be your jowls or love handles, and the hang of some other accouterments. Much of this is relevant to people's happiness, yet many of them never consider it. If you have a tendency to sag it might be best to go out in public only during the high tide. Almanacs and local newspapers and the Weather Channel make this information available. Use it. Many people take horoscopes lightly because they have experienced anomalies between the generic predictions and what actually transpired. I would strongly suggest that horoscopes and astrology are related to the entire cosmology due in large degree to the amalgamated gravity (and, of course, light--some of it very very old light, formed before Einstein refined his theory, and perhaps much stronger than newer light) and that on certain days the Sun and Moon and planets just don't line up right above where you are standing in your own little gravitational field on the surface of the Earth, while it may be right for somebody else with the same sign as you and who happens to be standing in, or over in the case of caves, exactly the right place for their gravity. So, there are many factors to factor in and factor out. This is not stuff to be taken lightly; if you'll allow me little pun. Yes, all this, and how much beer you drank, would definitely have an effect on your kidney, bladder and other questionable body parts.
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