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Physics
Massimo Ortolano's user avatar
Massimo Ortolano's user avatar
Massimo Ortolano's user avatar
Massimo Ortolano
  • Member for 8 years, 8 months
  • Last seen this week
  • Torino, Italy
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Q: What do you do for a living?

A: I'm a metrologist

Q: So, what's the weather like?

A: Uh?

Q: You said you are a meteorologist, isn't it? So, is it going to rain?

A: Hey, no, wait... I said I'm a metrologist: I measure things, no weather forecast.

Q: Why do you measure things?

A: Because things need to be measured, from time to time.

Q: What kind of things do you measure?

A: Mm, well, mm... maybe it's going to rain, after all.

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71
How was the first atomic clock calibrated?
Nov 4, 2020
answer
20
What's the difference between a realization, a representation and an implementation in metrology?
Aug 25, 2016
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16
Why do most laser beams have a Gaussian intensity profile?
Sep 7, 2016
answer
16
Why is conductivity defined as the inverse of resistivity?
Oct 30, 2020
answer
12
On the statistical meaning of density of states (DOS)
Nov 12, 2022
answer
12
Why is the meter considered a basic SI unit if its definition depends on the second?
Apr 18, 2017
answer
11
ODE solutions for a driven oscillator in higher resonance modes
Nov 5, 2022
answer
10
What is a base unit in the new SI, and why is the ampere one of them?
Aug 11, 2016
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9
Is the direction of the electric field relative to the magnetic field in an electromagnetic wave a convention?
Jan 2, 2019
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7
What is the name of the shape of the iron core in a transformer?
Jul 11, 2020
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Strict(er) adherence to homework guidelines?
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How can I create circuit diagrams for use on this site?
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Only one student answered an exam question - and I strongly suspect he cheated
234
If I receive written permission to use content from a paper without citing, is it plagiarism?
167
What to do about students who miss my lectures and then want me to repeat entire material?
140
What to do with someone that cheated their way through university and a PhD program?
136
Editor asks for π to be written in roman