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2009-01-06 Popular Science - earth: Hi, The earth's orbit isnt a "patthar ki lakeer"! It is a dynamic entity. However one has to understand that what the above means is that though it is ever changing in very small bits it is generally...
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2008-12-31 Popular Science - weight comparisons: Hi Sandy, Mars is a rather small planet of only 4200 miles in diameter compared to the Earth's about 8000 mile diameter. (About 1/2 Earth's size). Plus, it's of lower density, so it's mass is only...
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2008-12-29 Urban Legends - lucky coins: I have to confess, I have no idea. Given the sites I found below, I wouldn't be a bit surprised to find it was a coin with St Joseph on it, as he seems to be the main 'lucky charm'. Anyway, here...
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2008-12-15 Popular Science - air to water pressure: Hi, Hey buddy, please do rate me! That is what encourages experts to do the needful! It does not matter! 1 bar of air or (water pressure in a hydraulic system) equals 10 meter head pressure of...
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2008-12-15 Popular Science - air to water pressure: Hi, No problem Tristan, but you will also understand that there is a limit to scrolling down on followups!! :) To give you a better idea, if you were to dive into a deep pool of fresh water, (sea water...
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