The heaviest naturally occuring element is Plutonium-244, which occurs in very, very small amounts in nature. Uranium-238 is comparatively much more abundant. The heaviest element synthesized in a lab is Ununoctium-294 (ununoctium is a temp...
http://answers.yahoo.com/question/index?qid=20080829035...
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What is the most dense material that can exist on Earth? Classical Physics ... 1/ it is stable, but so dense it sinks through the earth like a brick through air and ends up at the core of the planet. ... The neutron star material has to have a gravitational attraction sufficient to overcome the degeneracy pressure of the electrons,
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www.scienceforums.net/forum/showthread.php?t=38567
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Osmium and Iridium for normal matter. Otherwise probably Hadrons (Protons or Neutrons for example). Especally big Black Holes aren't as dense as one might think, because the density goes down with increasing masse to very low values for sup...
http://wiki.answers.com/Q/What_is_the_most_dense_materi...
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Ask the experts your physics and astronomy questions, read answer archive, and more. ... What is the densest thing on Earth? Asked by: Georgia; Answer; Leaving aside the obvious political humor potential in your question, you did ask about the densest THING, not the densest material, on Earth. That would probably be a neutron.
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www.physlink.com/ae299.cfm
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www.nicoshop.it/cat095_l2.html
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mark leon, dense material, gold weight: Joe, The gold on stamp replicas is applied by electroplating. Because gold is such a dense material, a surface of only a few molecules provides the same coverage and opacity of a thicker piece. ... Because gold is such a dense material, a surface of only a few molecules provides...
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en.allexperts.com/q/Stamps-Philately-1610/2008/3/22kt-g...
en.allexperts.com/q/Stamps-Philately-1610/2008/3/22kt-gold-replica-stamps-1.htm
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Information About Shadow Casting, Flagella, Spirochetes, Chromium, Nickel, Platinum, Gold, Uranium, Electron, Dense Material ... This technique involves .a deposition of an electron dense material at an angle over a specimen. For this purpose various heavy metals like chromium, nickel, platinum, uranium, gold or their alloys...
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www.microbiologyprocedure.com/microscopy-methods-in-mic...
www.microbiologyprocedure.com/microscopy-methods-in-microbiology/electron-microscopy-shadow-casting.html
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The present invention provides: a material, which is dense, wit ... a material, which is dense, with a density of ≧90%, bulk dry self-lubricating, with a coefficient of friction of <0.3, constituted by a matrix that endows it with suitable strength, with a Rm of ≧400 MPa in a medium to high temperature range of 300°...
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www.freepatentsonline.com/6890368.html
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The ultrastructural findings in both biopsies reveal a similar pattern of structural damage: an intrasarcoplasmic (specially subsarcolemmal) accumulation of an electro-dense filamentous material arising from the Z-bands and a focal disruption of the myofibrils.
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www.medscape.com/medline/abstract/11412718
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