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AChem
  • Member for 5 years, 4 months
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9 votes
1 answer
176 views

How is the word kernel associated with distributions?

7 votes
0 answers
210 views

How did early physicists experimentally assign electronic transitions in atoms?

6 votes
4 answers
715 views

Why statistical moments are called moments?

6 votes
2 answers
394 views

What is the origin of "normal" in normal coordinates and normal modes?

6 votes
1 answer
925 views

Etymology of Some Terms Used in Ratio and Proportion in Old Algebra Textbooks

5 votes
2 answers
257 views

High voltage / current sources in 19th century cathode ray experiments

4 votes
1 answer
2k views

Who came up with the convolution theorem?

4 votes
0 answers
132 views

Earliest measurement of proton's mass

3 votes
1 answer
873 views

What is the origin of the concept of reduced mass?

3 votes
0 answers
114 views

Diffraction pattern of Michelson's echelon

3 votes
1 answer
3k views

Who associated the sharp, principal, diffuse, fundamental spectral terms with electron's momentum?

3 votes
2 answers
513 views

How did the early chemists make a connection between gram formula weight with 1 mole and Avogadro's number?

2 votes
1 answer
2k views

How did the early chemists determine the atomic weight of hydrogen?

2 votes
1 answer
475 views

History of group theory character tables (as used in physics and chemistry)

2 votes
1 answer
533 views

Earliest known usage of letter gamma "Γ" for reducible representation in group theory

2 votes
1 answer
4k views

Origins of molecular orbital diagrams?

2 votes
0 answers
77 views

History of circulant matrices for convolution

1 vote
0 answers
78 views

Who came up with a number of the theoretical plates equation?

1 vote
0 answers
103 views

Is it a historical coincidence that relative atomic weights by chemical methods and mass spectrometry are very close?

1 vote
1 answer
420 views

Hydrogen electrode and its electrode potential

0 votes
0 answers
54 views

On the origin of the concept of aliasing & the Discrete Fourier Transform frequency axis

0 votes
2 answers
218 views

What experiments led to the sign of the electron's charge?

0 votes
2 answers
263 views

Who used the symbol $S_n$ for "rotation reflection" as a symmetry operation?