-All the water in all the world’s oceans would amount to just two teaspoons.
-A very fine, very short length of human hair could lay on its side and fill the Grand Canyon to the rim.
-A tiny bead the size of the period at the end of this sentence could not be completely submerged in this sea. Even if it rested on the seafloor in the Mariana Trench, the deepest spot anywhere in the ocean, less than half of the bead would be underwater.
With that now in prospective, the deepest oil well is about 12,000 meters deep (38,000 ft., 7.2 miles), and the Earth has a diameter of about 12,750 km (7925 mi.) at the equator. So the deepest well that we have ever drilled went all of 1 PERCENT into the crust of the earth. I know no more than that, but if I had to guess, the other 99 percent of the depth that we haven't gotten to yet probably has some black crud laying in it. Now there is the core and magma in there that we can't really use, but we have had contact with VERY LITTLE of our planet. My 2 cents.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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