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27 votes

What are the most precise measurements in science?

The answer is optical atomic clocks which are now pushing 19 digits of precision on the accuracy of the estimation of atomic transition frequencies. Citations to follow when I have time to add them. ...
Jagerber48's user avatar
13 votes
Accepted

What was so hard about discovering/inventing the number zero?

Zero is not a number as long as a number is understood as a count of things. You can have one thing or two things or ten things, but if you have one and take it away, there are no things there to ...
Mark Olson's user avatar
13 votes

What are the most precise measurements in science?

The most precise measurements tend to be measurements of ratios or differences. For example, we know the ratio of the charge on the proton to the charge on the electron to 21 decimal places, despite ...
Mark's user avatar
  • 495
10 votes

How does the science community decide which scientist to credit for a particular discovery?

Squabbles over honor are just as common among scientists as elsewhere in society. Memorable examples include: Leibniz-Newton; Manifold destiny. Plain facts are usually not sufficient to resolve ...
Mikhail Katz's user avatar
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10 votes
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What are the most precise measurements in science?

The periods of millisecond pulsars are measured to 15 significant figures. E.g., here's a paper that gives the period of PSR J1853+1303 as 4.09179744490025(2) ms (the figure in parentheses is the ...
Nobody's user avatar
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5 votes

What are the most precise measurements in science?

See Weyers et. al., Advances in the accuracy, stability, and reliability of the PTB primary fountain clocks (2018). Here they report uncertainties on the PTB CSF2 Cs fountain clock at the $1.71\times ...
Jagerber48's user avatar
4 votes

What are the most precise measurements in science?

If you want something less exotic than the above, I currently work at a company where we are using laser interferometry to measure abnormalities on the surface of optics with nanometer accuracy. That'...
Mike Nakis's user avatar
2 votes

In Middle Ages Europe, Physical scientists referred to the "Queen of Sciences"; what was this?

There were at least two Queens: In the late Middle Ages, Theology was called Queen of the sciences. See, e.g., "How Theology Stopped Being Regina Scientiarum—and How Its Story Continues" ...
Mark Olson's user avatar
2 votes

What are the most precise measurements in science?

Another good candidate is the measure of the electron's electric dipole moment $d_e$. Within the Standard Model, such a dipole is predicted to be non-zero but very small, at most $10^{−38} e \cdot \rm{...
user6530's user avatar
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2 votes
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Who was this person in the Early Modern Period who wrote a manual on writing "good science"?

As already noted in the comments, the Royal Society is often given credit for advocating and requiring plain clear scientific writing, but if your teacher was referring to an individual then it was ...
David Bailey's user avatar
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1 vote

In Middle Ages Europe, Physical scientists referred to the "Queen of Sciences"; what was this?

There is a much-quoted description of the elaborately sculpted tomb of Isaac Newton, repeated (for instance) in the April 1731 (vol 1, number 4, p.159) issue of Gentleman's Magazine, in the year ...
kimchi lover's user avatar
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