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| Critical point revisited |
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| According to conventional wisdom, a supercritical fluid is one that doesn't exhibit distinct liquid- or gas-like states. This may need to be revised in light of measurements that show a sharp change in the speed of sound in supercritical argon when it crosses a well-defined line on its pressure versus temperature phase diagram. Read the full story recently appeared in Nature Physics! | |
| Last Updated ( Wednesday, 05 January 2011 ) |
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