News of the WeekMETROLOGY

A Thermometer Beyond Compare?

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Science  14 Mar 2003:
Vol. 299, Issue 5613, pp. 1641
DOI: 10.1126/science.299.5613.1641a

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AUSTIN, TEXAS-- A person who has one thermometer knows the temperature, physicists sometimes quip, but someone who has two is never sure. That adage may not remain true for long, however, now that researchers have developed a type of electronic thermometer that needs no calibration.