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Technology Stocks : Advanced Micro Devices - Moderated (AMD)
AMD 253.72+1.6%3:59 PM EST
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To: Scumbria who wrote (21399)12/3/2000 12:32:35 PM
From: RDMRead Replies (1) of 275872
 
"This is impossible. My high school chemistry teacher taught me that isotopes were chemically identical. ;^)"

Isotopically pure carbon(diamond) and silicon crystals do have different thermal conductivities than their impure counterparts. The phenomena varies significantly over temperature as well. You high school teacher did not mean to include this phenomena in his isotopes chemical properties scope or he was wrong if he did.

There is some controversy over what the mechanisms are creating the phenomena. Much of the early work was done at Princeton and the phenomena has been confirmed in many other labratories. All of this work has been with the last 20 years.
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