The possibility though remote, is intriguing as we may be able in the future to actually "see" our own planet's history. Though sounding science fiction, if we are able to detect bodies in space that are able of reflecting light emitted from our planet earth, using amplification systems and filters,this may - if possible, give us a tool of utmost importance.
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Why can't we use fissions products for electricity production ? As far has I know fissions products from current nuclear power plants cr...
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I have searched for equations regarding craters and I came across two of them. The first one is from this NOAO website in the level two sec...
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This image from NASA illustrates drag coefficients for several shapes: It is generally accepted that some variation of the teardrop/airfoil...
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As the title says. It is common sense that sharp things cut, but how do they work at the atomical level? Answer For organic matter, such a...
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How can we know the order of a Feynman diagram just from the pictorial representation? Is it the number of vertices divided by 2? For exampl...
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In most books (like Cardy's) relations between critical exponents and scaling dimensions are given, for example $$ \alpha = 2-d/y_t, \;\...
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Literature states neutral pion decay by QED cannot occur directly because the pion is uncharged. However, I cannot see why Photons are not a...
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