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excerpt from Dr Jones' paper regarding experiment performed:
http://www.physics.byu.edu/research/energy/htm7.html We also noted that while a steel pan holding the aluminum glowed red and then yellow hot, the molten aluminum inside retained its silvery-gray color, adding significantly to the evidence that the yellow-white molten metal dripping from the South Tower shortly before its collapse was NOT molten aluminum. (Recall also that the yellow color of the molten metal (video clip above) implies a temperature of approximately 1100 oC -- too high for the dark-smoke hydrocarbon fires burning in the building.) This is point worth emphasizing: aluminum has low emissivity and high reflectivity, so that in daylight conditions molten aluminum will appear silvery-gray, while molten iron (with its characteristic high emissivity) will appear yellow-white (at ~1100 oC) as observed in the molten metal dirpping from the South Tower just before its collapse |
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"Wake Up!" wrote in message
... excerpt from Dr Jones' paper regarding experiment performed: http://www.physics.byu.edu/research/energy/htm7.html We also noted that while a steel pan holding the aluminum glowed red and then yellow hot, the molten aluminum inside retained its silvery-gray color, adding significantly to the evidence that the yellow-white molten metal dripping from the South Tower shortly before its collapse was NOT molten aluminum. (Recall also that the yellow color of the molten metal (video clip above) implies a temperature of approximately 1100 oC -- too high for the dark-smoke hydrocarbon fires burning in the building.) This is point worth emphasizing: aluminum has low emissivity and high reflectivity, so that in daylight conditions molten aluminum will appear silvery-gray, while molten iron (with its characteristic high emissivity) will appear yellow-white (at ~1100 oC) as observed in the molten metal dirpping from the South Tower just before its collapse Prof. Jones sounds a lot like Cmdr. Donaldson, no disrespect intended to the late Cmdr. Paul Nixon |
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