Hardy's paradox

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Hardy's paradox

Quality:

Hardy's paradox - thought experiment in quantum mechanics in which a particle and its antiparticle may interact without annihilating each other. Article “Hardy's paradox” in English Wikipedia has 19.4 points for quality (as of July 1, 2025). The article contains 7 references and 4 sections.

This article has the best quality in Portuguese Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Hardy's paradox”, its content was written by 37 registered users of English Wikipedia and edited by 54 registered Wikipedia users in all languages.

The article is cited 10 times in English Wikipedia and cited 23 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #62080 in March 2009
  • Global: #178087 in March 2009

The highest popularity rank from 2008:

  • Local (English): #241806 in October 2024
  • Global: #403727 in October 2024

There are 3 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Portuguese (pt)
Paradoxo de Hardy
25.3424
2English (en)
Hardy's paradox
19.3882
3Polish (pl)
Paradoks Hardy’ego
17.1299
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Hardy's paradox" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Hardy's paradox
123 722
2Portuguese (pt)
Paradoxo de Hardy
21 849
3Polish (pl)
Paradoks Hardy’ego
15 887
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Hardy's paradox" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Hardy's paradox
1 098
2Polish (pl)
Paradoks Hardy’ego
76
3Portuguese (pt)
Paradoxo de Hardy
60
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Hardy's paradox" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Hardy's paradox
37
2Portuguese (pt)
Paradoxo de Hardy
10
3Polish (pl)
Paradoks Hardy’ego
7
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Hardy's paradox" with the highest AI in June 2025
#LanguageAI awardRelative AI
1English (en)
Hardy's paradox
0
2Polish (pl)
Paradoks Hardy’ego
0
3Portuguese (pt)
Paradoxo de Hardy
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Hardy's paradox" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Hardy's paradox
10
2Portuguese (pt)
Paradoxo de Hardy
10
3Polish (pl)
Paradoks Hardy’ego
3
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
enEnglish
Hardy's paradox
plPolish
Paradoks Hardy’ego
ptPortuguese
Paradoxo de Hardy

Popularity rank trends

Best Rank English:
#241806
10.2024
Global:
#403727
10.2024

AI rank trends

Best Rank English:
#62080
03.2009
Global:
#178087
03.2009

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Hardy's paradox from Wikipedia articles about Interaction-free measurement, Annihilation, Lucien Hardy, Double-slit experiment and List of paradoxes. Whereas reading the article about Hardy's paradox people most often go to Wikipedia articles on Lucien Hardy, Weak measurement, Quantum contextuality, Bells theorem and Local hidden variable theory.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 28 January 2026

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In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information