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Meaning of "Typical Data Set" in Physics Publications? [closed]

I have seen uses of the term "typical data set" in reference to a graph of data of experimental results in physics publications. Is this just to point out that it is only a singular data set ...
OneStrangeQuark's user avatar
1 vote
0 answers
42 views

Is there a database or catalog of all black hole candidates?

I am searching for a catalog, list, database, etc. That should show astronomical observations of known black hole candidates. I am primarily interested in knowing the mass of these candidates. I have ...
0 votes
0 answers
44 views

Where to find the Expectation Values of Aspect's and Clauser Experiments [duplicate]

Alain Aspect and John Clauser won the Nobel Prize in Physics for their epxeriments on quantum entanglement. Does anyone know where to find the raw data or at least published calculated expectation ...
jcampecino's user avatar
1 vote
1 answer
27 views

What is the standard reference medium in which positron ranges data are obtained in property tables, specifically for isotopes used in PET?

What is the standard reference medium in which positron ranges data are obtained in property tables, specifically for isotopes used in (Positron Emission Tomography (PET)? I can't find any valuable ...
-4 votes
1 answer
82 views

Transmitting Data faster than the speed of light using entangled particles [duplicate]

If we have a pair of super-asymmetrical entangled particles, and move them a light year away so that they retain their quantum entanglement, and we set a clockwise spin (or vertical polarization) as 0 ...
SWIRF's user avatar
  • 11
3 votes
0 answers
16 views

Where can I access spectra shift data on a given binary star?

I need to access spectra shift data which I can use to plot a radial velocity of a binary star vs time graph for an assignment. I have looked at SDSS and I havent had any luck being able to access ...
Zandini3's user avatar
1 vote
0 answers
16 views

Where can I find spectra data and light curves of a stereoscopic binary star system?

I am trying to find a suitable source of spectra data and/or a light curve of a binary star (no exact star in particular), with which I would use to find velocity and period, and then find masses etc.....
Zandini3's user avatar
3 votes
0 answers
48 views

Authoritative Reference for Astronomical Constants

Is there a reference that is considered authoritative when it comes to astronomical data, especially for the planets and their satellites and the Sun? I've been using the most recent CRC Handbook of ...
0 votes
0 answers
24 views

Learning contextual data using a variational quantum circuit

This question is about contextuality in quantum mechanics, about non-quantum data also showing contextuality. Definition for the specifics of the question as well as an example of contextuality in ...
TheStressTensor's user avatar
1 vote
0 answers
50 views

GRB 221009A Comparison with solar flare NOOA scale

I'm trying to found a comparison of the energy received on Earth by GRB 221009A in comparison of various solar flares based on NOAA Space Weather Scales (or other). I failed to find any comparison (...
Vincent ISOZ's user avatar
0 votes
0 answers
16 views

Where can I find the configurations corresponding to the current largest max-cut values on $G$-set graphs?

I am looking for the configurations that are behind the max-cut value in many articles about solving the Ising problem/max-cut problem on graphs, but I can't seem to find any articles with this data ...
Dániel Száraz's user avatar
0 votes
1 answer
39 views

How to find the standard atomic orbital energy data?

I found a website that provides the $d$ orbital energy of atoms. The data were found using Photoelectron Spectroscopy, which measures the energy needed to ionize electrons from atoms in the gas phase. ...
0 votes
0 answers
71 views

Optical Properties of Heavily Doped Silicon in the Visible and Near Infrared

I am looking for a model of the changes in the complex refractive index of doped Silicon based on the doping level and type in the visible and near-infrared wavelengths (400-1000 nm). I have seen ...
2 votes
1 answer
287 views

Up-to-date values of Yukawa couplings (2023)

Where can I find the most recent values for the Yukawa couplings in 2023? I currently have access to the values from 2011, but I guess precision has improved over the last decade in measurements. Edit:...
Manuel's user avatar
  • 476
0 votes
1 answer
40 views

Large table of pairwise friction values?

Small table of pairwise friction coefficients (i.e., "rubber vs concrete", "leather vs oak") exist online: https://www.engineeringtoolbox.com/friction-coefficients-d_778.html ...
4 votes
2 answers
119 views

Where can I find interpolation formulas or tabulated data for phase diagram(s)?

In order to program it, where can I find accurate representations of the water (or others - e.g.: CO2) phase diagrams, in the form of mathematical functions or in the form of interpolable tabulated ...
0 votes
1 answer
48 views

Seeking Empirical Data Sources Relevant for an Alternative Gravity Theory [closed]

I am currently developing an alternative theory of gravity and am in need of empirical data sources that could assist in evaluating the potential validity and implications of this theory. This model, ...
0 votes
1 answer
39 views

Where can you find the velocity dispersions of globular clusters?

I'm trying to use the Virial theorem to determine the mass of the M5 cluster and I need the velocity dispersion to calculate this. Does anyone know where I can find a table with these velocity ...
2 votes
1 answer
60 views

Is this scientifically useful exoplanet transit data? [closed]

For a physics project, I am trying to derive properties of exoplanets through their transit light curve. I tried to get the data myself, on the known exoplanet Qatar-6b. My Equipment: 8" Newt. ...
Uranium Eater's user avatar
0 votes
1 answer
30 views

Can the damping coefficient of a pendulum be predicted given physical variables?

I'm aware you're able to calculate the coefficient of damping, $b$, given a set of amplitudes over time through $$\ln(\theta/\theta_0) = -bt/2$$ However, is there any way to get $b$ without empirical ...
Bleezebub's user avatar
0 votes
1 answer
102 views

Where can I find datasets for all confirmed exoplanets, terrestrial exoplanets, and Super-Earth exoplanets?

"The NASA Exoplanet Archive" (https://exoplanetarchive.ipac.caltech.edu/) implies that there are 5,197 confirmed exoplanets. The "5,197 Confirmed Planets 11/02/2022" link leads to ...
0 votes
1 answer
175 views

UV-absorption capability of air

I am looking for an absorption chart for UV light with a wavelength of around 250 nm in air (ambient, no specific preparation). How much of a beam of this light would be absorbed per meter of path ...
0 votes
1 answer
137 views

Is there a downloadable spreadsheet of all known subatomic particles?

Is this Wiki page complete in its list of subatomic particles? Looking for a CSV or spreadsheet I can download and easily translate into code of all the possible subatomic particles. This page says &...
Lance's user avatar
  • 2,200
4 votes
2 answers
1k views

Rules of significant figures, precision, and uncertainty

In the physical sciences (which are physics, chemistry, astronomy, materials science, etc.), we learned that the uncertainty is +/- the smallest unit (which is 1) of the last significant figure if the ...
CoastCity Lapse 00crashtest's user avatar
0 votes
1 answer
52 views

Where can I find photon absorption cross-sections for various isotopes?

I am looking for absorption cross-sections for photons. Usually, I am dealing with neutron absorption where I utilize https://www.nndc.bnl.gov/endf/ for my data. This is a really handy website that ...
Zachary Ireland's user avatar
0 votes
2 answers
43 views

Calculating error on manually chosen estimated fit

I understand that this should be basic knowledge, but despite searching all over the internet, I could not pinpoint the answer to this. Suppose I have data, and it can be linearised to a basic y=mx+c ...
Borgeth's user avatar
1 vote
1 answer
99 views

Where can I find redshift data?

Is there any database for redshift data of individual galaxies and stars for a long period of time?
0 votes
1 answer
42 views

Is there data for natural background radiation measurement?

I am looking for raw data of alpha/beta/gamma particles natural background long-term measurement (preferably day by day or second by second for at least a few weeks), but cannot find any. I would be ...
Kostya's user avatar
  • 39
-1 votes
1 answer
99 views

Prediction of constants with the standard model

I am trying to understand how the standard model predicts constants. Does it also predict fundamental constants such as the mass of the electron? And when looking at the result of the $g-2$ experiment,...
Nazuid's user avatar
  • 85
1 vote
1 answer
142 views

What is the value of the exchange field in the 3d ferromagnets ($\rm Ni, Fe, Co$)?

I have been trying to find the values of the exchange field for Ni, Co and Fe. This website mentions, "Exchange forces are very large, equivalent to a field on the order of 1000 Tesla" https:...
Sinead's user avatar
  • 11
0 votes
2 answers
111 views

Public data to practice data analysis skills

Apologies if this is the wrong place to ask this, but I am currently trying to brush up on my data analysis skill in python as I am applying to data science jobs. I am trying to find some data that I ...
1 vote
2 answers
702 views

How do I get the total acceleration from 3 axes, in negative?

For a project, I'm working with acceleration data recorded by triaxial accelerometers. This means that I have accelerations in the x, y, and z axes. I found the almost exact same question from a few ...
T E's user avatar
  • 11
1 vote
1 answer
138 views

Availability of dataset from "Loophole-free Bell inequality violation using electron spins separated by 1.3 kilometres"?

I am looking for the most-raw data from the (in)famous Loophole-free Bell inequality violation using electron spins separated by 1.3 kilometres experiment. I would like to try repeating their ...
2 votes
1 answer
178 views

How to obtain position data from acceleration without forward euler?

I am doing a investigation into the Wilberforce Pendulum and in order to find the position and rotation at any time I have attached my phone onto the pendulum in order to use Phyphox, a app that finds ...
OblivioN's user avatar
1 vote
2 answers
80 views

What Data Set(s) Would Be Best For Head-To-Head Unified Field Theory Model Selection?

I'm seriously considering establishing a prize for unified field theories in-line with my history of prize awards, such as the fusion legislation I drafted with a cofoudner of the AEC's program, the ...
James Bowery's user avatar
  • 1,357
33 votes
5 answers
9k views

How is data transferred between devices?

If you send a text from your phone to your friend, do electrons move from your phone to your friend's phone? How is text transferred (physics wise)? I am a programmer and I want to know how it is ...
Adm Kuznetsov's user avatar
2 votes
1 answer
193 views

Is there a Maximum Data Density of a Physical Volume?

Is there an established or proven relationship concerning how much data can fit in a given volume of space / spacetime?
DJG's user avatar
  • 445
0 votes
1 answer
57 views

Am I applying this vector-based equation correctly to my dataset? [closed]

A coworker and I need to perform what is probably a simple calculation with our data so that we can calculate something else. However, our vector calculus skills are rusty and we don't know if we ...
Ant's user avatar
  • 125
0 votes
0 answers
71 views

How many bits of storage would be required if we are in a simulation?

The answers here didn't really address what I was looking for (How many bits are needed to simulate the universe?), so... If we are in a simulation, can we presume the simulation only needs to be ...
user avatar
1 vote
1 answer
131 views

How exactly does magnetism rip data from things?

I once read in a book that if a magnetar were to pass by the earth that it would rip the data from every single credit card on the planet's face. I'm not entirely sure if I'm in the right place for ...
random internet person's user avatar
1 vote
0 answers
49 views

What is the theoretical upper limit, if any, to the quantity of information bits that can be encoded within a given volume of space? [duplicate]

By encoding I mean representing bits of information as some form of mass-energy that can be, at some time in the future, decoded back into the original information bits without loss. This does not ...
dhinson919's user avatar
1 vote
0 answers
21 views

Determining loss of intensity in a slow neutron beam after passing through a metal plate [duplicate]

I am looking at a question dealing with the loss of intensity of a beam of slow neutrons with initial intensity $I_0 = 5 * 10^5$ N/sec as it passes through an aluminum plate that is $3$ cm thick. I ...
0 votes
1 answer
96 views

Is there any website or method to calculate the refractive index of gases like $\rm CO_2$ in the mid IR?

I want to know the complex refractive index of some gases like CO2, CH4, C2H6 .. etc in the mid infrared. Is there any website, software or a method to know them?
Muhamed Sewidan's user avatar
0 votes
0 answers
382 views

Where can I find the true anomaly of the planets on Jan 1st 2000?

I am trying to code a simulation of the solar system. At present, all the orbits seem correct but I'm placing the planets at their respective periapses at the start of the simulation so the relative ...
0 votes
2 answers
129 views

How to get spectral data of Sun?

I am doing project in blackbody radiation and i am about to analyse the spectral data of the incandescent lamp, hot metal, Sun and Sirius A. So i can find the displacement of the peak of curves using ...
abinath's user avatar
  • 26
1 vote
1 answer
429 views

Rate of evaporation of water vs temperature. Where can I find data?

The story If there is an easily understandable problem that fascinates me compare to apparently how hard it is to model and solve accurately, and how little it has been studied, the time to cool down ...
ParaH2's user avatar
  • 273
2 votes
0 answers
82 views

Calculate orbital speed of object around earth (SpaceX data)

I am just reading SpaceX rocket data satisfies elementary Hohmann transfer formula, a paper of how to use SpaceX telemetry data in educational physics. In particular the paper contains the following ...
Julia's user avatar
  • 1,692
1 vote
2 answers
93 views

How are the locations of solar system planets expressed in their orbits?

and where can I find the data about the locations of the solar system planets during their entire year? I would like to find the data on the orbits of solar system plantes. Also I would like to know ...
Travis_Dudeson's user avatar
0 votes
0 answers
31 views

Research on exoplanets using available data from TESS

I am a high school student who is proposing research on exoplanets for my junior research project, I have several questions: I have seen studies where researchers survey star systems and then find ...
Sasan Sedighi-Mournani's user avatar
0 votes
1 answer
39 views

Speed of field and data in wire

The speed of field in wire is near the speed of light (speed of field not electron) so why speed of data is in MBPS, I mean why a byte dose not transport with light speed (field speed).
johnny is here's user avatar