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How do you really know what the temperature is?

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18:30 – 20:00 23 Sep 2015
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Lecture Theatre MS023
Markeaton Street Campus
Derby University
DE22 3BD

Speakers: Michael de Podesta

Measuring temperature is easy – and millions of temperature measurements are made every day. These measurements help people make sense of the world and help them make things in a reproducible way. And yet there is a fundamental problem with temperature measurement:
How do we relate the readings of thermometers in degrees Celsius or kelvin, to the fundamental concept of temperature in terms of the energy of molecular motion?
Together with my colleagues at NPL, I have recently carried out the most accurate measurements of temperature ever. The purpose of the measurements is to help with a future redefinition of the kelvin directly in terms of energy. In this talk I will bring along the ugly brother of the world’s most accurate thermometer, and tell you how we did it.

18:30 Refreshments, 19:00 lectures start

Event type: Lecture/Talk
Organised by: Derby Centre
Contact details: Alex Milligan, Alexandra.Milligan@rolls-royce.com

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Location icon
Lecture Theatre MS023
Markeaton Street Campus
Derby University
DE22 3BD
Clock icon
18:30 – 20:00 23 Sep 2015
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Invite friends
Link copied!