What is article: Definition and 357 Discussions

An article is any member of a class of dedicated words that are used with noun phrases to mark the identifiability of the referents of the noun phrases. The category of articles constitutes a part of speech.
In English, both "the" and "a(n)" are articles, which combine with nouns to form noun phrases. Articles typically specify the grammatical definiteness of the noun phrase, but in many languages, they carry additional grammatical information such as gender, number, and case. Articles are part of a broader category called determiners, which also include demonstratives, possessive determiners, and quantifiers. In linguistic interlinear glossing, articles are abbreviated as ART.

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  1. Z

    I Looking for resources to learn bra-ket notation

    hello I own two books of quantum physics In the first part the authors emphasize the bra-ket notation, explaining how important and useful it is in the second part, they go to pratical examples no mention of brackets , they just use the Schrodinger's equation.... may you suggest a book or an...
  2. Cerenkov

    B Cosmological time dilation of high-redshift quasars

    Hello.I read this article today... https://www.eurekalert.org/news-releases/994149 ...and followed the link to this Nature Astronomy page. https://www.nature.com/articles/s41550-023-02029-2I was wondering if this finding could be explained in a way that could help me grasp it better? To be...
  3. Frabjous

    Article about JPL and Mars/Venus missions

    From the Washington Post https://www.washingtonpost.com/science/interactive/2023/nasa-jpl-space-exploration-challenges/?itid=sr_3 Does anyone disagree with the idea “that the lab simply has too many missions and not enough experienced engineers to pull them off” ?
  4. .Scott

    I Black Hole Information path described in new article

    I'm posting this in "Quantum Physics" although it is just as much "General Relativity". A paper entitled "Quantum gravitational corrections to particle creation by black holes" was published in Science Direct earlier this month. It appears to provide an event horizon mechanism for holding...
  5. jedishrfu

    Recent Article on the Evolution of a Theory of Covid Origins

  6. Frabjous

    Interesting article on donkeys

  7. S

    I How bad is this article about uranium glass?

    https://getpocket.com/explore/item/these-people-love-to-collect-radioactive-glass-are-they-nuts It talks about uranium giving off "alpha waves/rays" & "beta waves/rays", and an isotope of U-308. My understanding is that alpha & beta radiation is particle in nature whereas gamma radiation is a...
  8. H

    I Looking For Explanation of New Interferometer Article

    https://physics.aps.org/articles/v15/162 Looking for a layman's summary of this article. If I spent a couple of hours maybe I could do it. Then again, maybe not.
  9. Salmone

    I Trying to Understand the 1928 article by Raman on Nature

    I have two doubts about the article Raman published in 1928 on Nature when he discovered Raman effect, precisely about these two sentences he wrote:1. What does it mean the modified scattering corresponds to their fluctuations in Compton effect? I think he's talking about the radiation...
  10. A

    Other Is this a conflict of interest? (reviewing an article)

    A journal sent me an email asking me to be an adjudicator for one article since the two reviewers disagreed on their recommendations. I accepted based on the abstract. When reading the paper I found that (a) The author is citing me, not a big deal I guess. but (b) The author gives a solution...
  11. benorin

    This is for an Insights article: Bivariate induction proof using Calc3

    Link to my insight Article it's right where I need you to start checking, read the above boxes to, check out the picture to see examples of the kind of sequence of sets we are dealing with. I need you to read the section jusr below the first picture entitled "3.0.2 Lemma 2.1: Nesting Property of...
  12. BillTre

    Big Article on Dog Breeds in Science

    A big article on dog breeds, genetics, and behavioral and other traits has been published in Science (the journal).
  13. S

    Why nylon bass strings go dead on classical guitars: found an online article

    I asked about this some years ago but I cannot remember into which forum board I put it, but I wanted to know why the brightness of nylon bass strings go dead so fast on classical guitars and the related. I found an explanation in an online article, under the heading, String maintenance: Why do...
  14. Frabjous

    Bad technical journal article indicators

    I was about to post in a thread about a referenced article, when all references to it were deleted by the moderators because it was from a predatory journal. I was wondering what other people found to be red flags.
  15. user366312

    What does it mean by PC in this article?

    https://pubmed.ncbi.nlm.nih.gov/24995959/ What does it mean by PC in this article?
  16. pinball1970

    BMJ article on malpractice, Pfizer trials

    Not what we want want to be reading in the BMJ at this time regarding trial integrity. The Vaccine works, the data is overwhelming but this casts a shadow on the integrity of the trials and the Science community as a whole (especially seen from the tax payer/layman perspective) Concerns raised...
  17. K

    A A Question on a Wikipedia article on Bertrand's theorem

    Wikipedia while deriving Bertrands theorem writes after some steps : However by a similar argument we can say that since ##β## is a constant then we can directly solve ##J^{\prime}(u)=1-\beta^{2}## and find that ##J=\left(1-β^{2}\right) u##) which is wrong. What went wrong?
  18. Frabjous

    Looking for review article on planetary interiors

    I am looking for a modern review article on high pressure equations of state and planetary interiors. Preferably post 2010. Does anyone know of one? Thanks.
  19. S

    Coca cola roach and ant killer, online article

    I just found and am reading the online article, https://itsthevibe.com/everyday-object-life-hacks/26/ . Just before I reached this article, I was guessing that it was going to discuss diet drink of coca cola containing either some artificial sweetener or aspartame, but NO! The article...
  20. J

    Can I trust this article from Duke on mice and OCD?

    If this is true I think it is very interesting and encouraging so, Any expert can help? https://www.inc.com/john-brandon/brain-scientists-have-made-a-big-discovery-about-ocd.html https://today.duke.edu/2016/07/ocdreceptor "Brain scientists at Duke University tested lab mice who were bred with...
  21. patric44

    Other Using Calculator photos in my article?

    hi guys I am trying to publish a paper and finally it got a moderate revision, but there is a little problem : after submitting the revisions which wasn't much, I received an email from the publisher saying "We notice that you may have used previously published material in your article" , the...
  22. DaveC426913

    B Article: "Monster" antimatter particle "slams" into Antarctica

    "A single neutrino has a mass of about 2 billion-billion-billion-billionths of a gram ... A neutrino with 6.3 petaelectronvolts (PeV) of energy ... is equivalent to the energy of a swarm of 6,300 mosquitos [moving at 1mph] ... [or one mosquito accelerated to] Mach-8.2..."...
  23. bhobba

    COVID Interesting Article On How Australia Is Making The Oxford Vaccine

    Hi All Here is how the Aussies are making the Oxford Vaccine: https://www.abc.net.au/news/science/2021-02-12/covid-19-vaccine-oxford-astrazeneca-adenovirus-csl-manufacturing/13140104 Thanks Bill
  24. harborsparrow

    Seeking review of an article about Python's origins

    Dear Python programmers, There is a new article on the "origins of Python" at https://en.citizendium.org/wiki/Python_(programming_language) The Citizendium is a partner site with Physics Forums (cross-linked); we are looking for Python programmers to review and comment on the new article (on...
  25. jim mcnamara

    Energy Poverty in Australia: COVID Lockdowns Drove Costs Up 50%

    Article: https://phys.org/news/2021-01-covid-lockdowns-drove-older-australians.html -- Older Australians are having problems with energy poverty. Because COVID has forced them to stay at home and inside, heating and mostly cooling costs have increased by as much as 50%. Instead of going to...
  26. W

    I Interesting Scientific American article (The end of QM?)

    https://www.scientificamerican.com/article/new-views-of-quantum-jumps-challenge-core-tenets-of-physics/?fbclid=IwAR0z2pTmGqTBkm2JzvSNe6piKPZCGbhdpyZWcHeLO_2B-w5fPxFRKgfrGvY I love quantum physics almost mystical and paradoxical nature. That seems to be ending. Especially with the advent of...
  27. P

    I Article on photon wave-particle duality

    We all know that Feynman declared wave-particle duality as the central/only problem of quantum physics. Not sure how to evaluate a recent publication summary on this topic: https://sciencex.com/news/2020-11-wave-particle-duality-entanglement-customary-pitfalls.html Would like others take on...
  28. ChrisVer

    A An article on Big Bang theory contradictions

    Hi all, I was reading this article https://asiatimes.com/2020/11/the-big-bang-never-happened-but-fusion-will/ And I got somewhat confused. As most I've been taught that BB has succeeded in giving most of the cosmological predictions that we observe [nucleosynthesis, formation of galaxies, cmb...
  29. R

    Do we live in a simulation, Scientific American article posted today

    https://www.scientificamerican.com/article/do-we-live-in-a-simulation-chances-are-about-50-50/ I mentioned this just last night and a great article in Sci American was posted this morning. So what do you think, are we living in the matrix? I say no, however I have no problem viewing DNA as a...
  30. DaveE

    Art Article - The first measurement of a star's size

    A bit of physics history in this article. How Michelson (yes, that Michelson) measured the first stellar diameter (ok, except for the sun) at the Mt. Wilson Observatory. https://www.mtwilson.edu/wp-content/uploads/2019/12/50971-MtWilson-proof.pdf
  31. benorin

    I Gamma function/partial fractions (a problem from my Insights article)

    I'm typing up answers to the exercises in my Insight article "A Path to Fractional Integral Representations of Some Special Functions", this problem is from section 1 (Gamma/Beta functions). I need a bit of help with this one: The problem statement: 1.9) Use partial fraction decomposition to...
  32. H

    Can you download article PDFs from Nature?

    I belong to an institution where they are subscribed to view the article contents in Nature Publications. I used to be able to download articles without problem but recently, I tried downloading a research article from Nature Physics, but the "Download PDF" option was missing, although the main...
  33. fresh_42

    Quantum Article about the Standard Model

    I thought this might be worth a read: https://iopscience.iop.org/article/10.1088/1361-6552/aa5b25/pdf
  34. Ackbach

    MHB Brokenness of Scientific Method: Up to Half of Papers May Be Wrong

    Excellent read on the brokenness of the scientific method: there are many, many issues, ranging from conflicts of interest, data falsification, lack of proper incentives, abysmal lack of statistical knowledge, etc. As many as HALF of scientific papers published today might simply be wrong! In...
  35. S

    I Wolfram Mathworld's article on Cauchy-Riemann Equations

    On this page https://mathworld.wolfram.com/Cauchy-RiemannEquations.html ... ... above equations 8 and 9 it says : These statements seem to be saying that f is independent of y at the x axis, and independent of x at the y axis. Is this necessarily correct for any f? I can see intuitively how...
  36. S

    I This Wikipedia article about Scholz's Star doesn't make sense

    I was reading this article @ Medium, which shows our Neanderthal (3K or so times removed) cousin looking at Scholz's Star: And then the Wikipedia article about it https://en.wikipedia.org/wiki/Scholz's_Star which says: Prehistoric folks most certainly did NOT have access to telescopes...
  37. scottdave

    Extending Neural Networks to higher dimensions (article)

    Neural networks have come a long way since I first took a course, 25 years ago. Now that I'm in the Online Masters in Analytics program at Georgia Tech, I see these topics come up often. I found the following article an interesting read...
  38. .Scott

    I Article: Supernovae sparked by dark matter in white dwarfs

    Here is the Physical Review article: "Supernovae sparked by dark matter in white dwarfs" "A ball of asymmetric dark matter accumulated inside a white dwarf and collapsing under its own weight sheds enough gravitational potential energy through scattering with nuclei to spark the fusion...
  39. S

    SciAm article: Trapping the Tiniest Sound

    Hi everyone! I honestly wasn't sure where I should put this, but I had recently come across this online article from Scientific American about researchers from NIST and the University of Colorado having developed the ability to trap and gain control of "phonons" (sound "particles", roughly...
  40. H

    B Can someone help me understand as well as validate this article

    Can someone take a look at this article and first confirm its accuracy and if it is accurate help me understand it a bit more? https://www.livescience.com/19975-spooky-quantum-entanglement.html
  41. C

    B Is this article's reliability questionable?

    This is in reference to the following essay: https://www.mdpi.com/1099-4300/20/11/877 He's talking about laboratory techniques, which I don't know about. But it sounds like he's saying that the Bell violation comes from the necessity to select the most likely pairing of the two detection...
  42. Danny Boy

    A Query about an article on quantum synchronization

    I am currently studying this paper on quantum synchronization. The first page gives an introduction to synchronization and the basic setup of the ensembles in the cavity. My query is on the second page where the following statements are made. Can anyone see why the implication is that all...
  43. davenn

    Coronal Rain -- an interesting article

    For all you solar astronomers out there An interesting new article from Emily Mason at the NASA’s Goddard Space Flight Centre in Greenbelt, Maryland continue reading at ... https://www.nasa.gov/feature/goddard/2019/unexpected-rain-on-sun-links-two-solar-mysteriesDave
  44. nomadreid

    Second try in journal article submissions?

    A physicist I know submitted his article to Physics Review Letters, and the article was rejected. In the rejection letter, PRL sent him the two reviews upon which the judgment was based. OK, the normal reaction would be to do a bit of appropriate revising and try another journal, maybe one...
  45. S

    Physics Article from Physics World on a pathway to industry

    Hi everyone. I found the following article from Physics World on the pathway to industry. https://physicsworld.com/a/your-pathway-to-industry/ I was curious about what you think about the article, and if there is anything any of you would like to add in regards to career paths for physics...
  46. gibberingmouther

    This arxiv.org article talks about a "maximum force"

    So, I have nowhere near the level of understanding to evaluate this article I found: https://arxiv.org/abs/physics/0309118 From the abstract: " a maximum force implies the field equations of general relativity. The maximum force in nature is thus equivalent to the full theory of general...
  47. T

    Does this article support Evolution or Disprove it?

    Link: https://www.techtimes.com/articles/228798/20180530/massive-genetic-study-reveals-90-percent-of-earth-s-animals-appeared-at-the-same-time.htm Question: Does this article support Evolution or Disprove it? I've seen Pastors Link: https://www.youtube.com/watch?v=5dkwg4fKElw using this article...
  48. S

    Thesis like a scientific article

    Hi all, I am a professor in mechanical engineering and I have several master thesis students and I am facing the problem with the quality of their thesis. Especially, most of the thesis I have to correct are often very long because they are rich in useless information and lack of literature...
  49. PainterGuy

    Kepler's second law and Wikipedia article

    Hi, I'm sorry but I'm not sure if I should post it here or in homework section. It's not homework for sure. This Wikipedia article, https://en.wikipedia.org/wiki/Kepler%27s_laws_of_planetary_motion, on Kepler's laws says the following under History section in the last para: Newton was...
  50. BillTre

    Infographic Article Showing Land Use in US

    This Bloomburg article uses an set of interesting graphics (based on a variety of government data) to display how land is used in the US, usually down to pixels of 250,000 acres.