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== Definition ==
The term "explorable explanation" was first used in passing by [[Peter Brusilovsky]] in a 1994 paper<ref>{{Citation|last=Brusilovsky|first=Peter|title=Explanatory visualization in an educational programming environment: Connecting examples with general knowledge |date=1994 |url=http://dx.doi.org/10.1007/3-540-58648-2_38 |work=Lecture Notes in Computer Science |pages=202–212 |publisher=Springer Berlin Heidelberg |isbn=9783540586487 |access-date=2019-03-25}}</ref>, but did not enter into common use until 2011, when [[Bret Victor]] published an eponymous essay<ref name=":0">{{Cite web|url=http://worrydream.com/ExplorableExplanations/|title=Explorable Explanations|website=worrydream.com|access-date=2019-01-18}}</ref> (the essay included an explorable explanation of a [[digital filter]]). Victor distinguishes explorable explanations from isolated interactive widgets and visualizations by the fact that they deliberately guide the attention of their audience towards particular phenomena within the simulation. In characterizing the concept, Victor explains<ref name=":0" />:
Some of the ideas Victor espoused in the essay occurred to him while during work with [[Al Gore]] on the app version of the 2009 book [[Our Choice]]<ref>{{Cite web|url=https://www.fastcompany.com/1665397/after-trying-to-kill-math-an-ex-apple-designer-aims-to-kill-reading |title=After Trying To
▲The term "explorable explanation" was first used in passing by [[Peter Brusilovsky]] in a 1994 paper<ref>{{Citation|last=Brusilovsky|first=Peter|title=Explanatory visualization in an educational programming environment: Connecting examples with general knowledge|date=1994|url=http://dx.doi.org/10.1007/3-540-58648-2_38|work=Lecture Notes in Computer Science|pages=202–212|publisher=Springer Berlin Heidelberg|isbn=9783540586487|access-date=2019-03-25}}</ref>, but did not enter into common use until 2011, when [[Bret Victor]] published an eponymous essay<ref name=":0">{{Cite web|url=http://worrydream.com/ExplorableExplanations/|title=Explorable Explanations|website=worrydream.com|access-date=2019-01-18}}</ref> (the essay included an explorable explanation of a [[digital filter]]). Victor distinguishes explorable explanations from isolated interactive widgets and visualizations by the fact that they deliberately guide the attention of their audience towards particular phenomena within the simulation. In characterizing the concept, Victor explains<ref name=":0" />: <blockquote>Explorable Explanations is my umbrella project for ideas that ''enable and encourage truly active reading''. The goal is to change people's relationship with text. People currently think of text as ''information to be consumed''. I want text to be used as an ''environment to think in''.</blockquote>
The term has since also been characterized as being about learning through play<ref>{{Cite web|url=http://explorabl.es/|title=Explorable Explanations|website=explorabl.es|access-date=2019-04-05}}</ref>. The related term "active essays" was used by [[Alan Kay]] to refer to text-based explorable explanations<ref>{{Cite web|url=http://www.playfulinvention.com/emergence/active-essay.html |title=Active Essays |website=www.playfulinvention.com |access-date=2019-04-02}}</ref>, and a major goal of [[Squeak]] (the precursor to [[Scratch (programming language)|Scratch]]) was to allow for the creation of them<ref>{{Cite web|url=http://wiki.squeak.org/squeak/3307|title=Active Essays|website=wiki.squeak.org|access-date=2019-04-02}}</ref>.
▲Some of the ideas Victor espoused in the essay occurred to him while during work with [[Al Gore]] on the app version of the 2009 book [[Our Choice]]<ref>{{Cite web|url=https://www.fastcompany.com/1665397/after-trying-to-kill-math-an-ex-apple-designer-aims-to-kill-reading|title=After Trying To “Kill Math,” An Ex-Apple Designer Aims To Kill Reading|last=Pavlus|first=John|date=2011-11-09|website=Fast Company|language=en-US|access-date=2019-01-18}}</ref>. He had proposed that the app should contain interactive models, but this idea was rejected on the basis that all numerical values proposed regarding climate change needed to have a citation, and the interactive models would generate un-cited numbers<ref>{{Cite web|url=http://worrydream.com/ClimateChange/#media-writing|title=What can a technologist do about climate change? A personal view.|website=worrydream.com|access-date=2019-05-15}}</ref>.
A few [[Video game|video games]] may be considered explorable explanations. For example, [[Sim City]] utilizes a complex city simulation that is intended<ref>{{Cite web|url=https://archinect.com/features/article/112824468/the-theory-of-everything-in-sandbox-city-will-wright-s-keynote-at-acadia-2014 |title=The theory of everything in sandbox city: Will Wright's keynote at ACADIA 2014 |website=Archinect |language=en |access-date=2019-03-03}}</ref> to present issues that appear in real-world [[urban planning]]. Many other games in the [[Simulation video game|simulation]] genre have a similar intention, although with many it is not a necessity that the simulation be scientifically accurate. In the [[Puzzle video game|puzzle]] genre, games such as [[Miegakure]] and [[Incredipede]] also involve interacting with systems with the intention of learning. Video games may not involve explanatory text or narration.▼
▲The term has since also been characterized as being about learning through play<ref>{{Cite web|url=http://explorabl.es/|title=Explorable Explanations|website=explorabl.es|access-date=2019-04-05}}</ref>. The related term "active essays" was used by [[Alan Kay]] to refer to text-based explorable explanations<ref>{{Cite web|url=http://www.playfulinvention.com/emergence/active-essay.html|title=Active Essays|website=www.playfulinvention.com|access-date=2019-04-02}}</ref>, and a major goal of [[Squeak]] (the precursor to [[Scratch (programming language)|Scratch]]) was to allow for the creation of them<ref>{{Cite web|url=http://wiki.squeak.org/squeak/3307|title=Active Essays|website=wiki.squeak.org|access-date=2019-04-02}}</ref>.
[[Educational video game|Educational video games]] have an overlap with explorable explanations<ref>{{Cite web|url=http://explorabl.es/|title=FAQ {{!}} Explorable Explanations |website=explorabl.es |access-date=2019-03-03}}</ref>. They are similar in that both involve a computer simulation that is visualized, and both have the intended goal that the audience learns something. However, in an educational video game, the simulation is not necessarily a simulation of the game's intended learning content<ref name=":3" />. Instead, learning content in educational video games is usually put in a non-interactive form such as text or voiceover; the educational game then usually has some schedule whereby the audience alternates between seeing the text and, separately, playing a game, usually a game with mechanics from a standard [[video game genre|genre]], such as a [[platformer]]<ref>{{Cite web|url=https://www.cc.gatech.edu/~asb/papers/bruckman_gdc99.html |title=Can Educational Be Fun? |website=www.cc.gatech.edu |access-date=2019-03-03}}</ref>.
▲A few [[Video game|video games]] may be considered explorable explanations. For example, [[Sim City]] utilizes a complex city simulation that is intended<ref>{{Cite web|url=https://archinect.com/features/article/112824468/the-theory-of-everything-in-sandbox-city-will-wright-s-keynote-at-acadia-2014|title=The theory of everything in sandbox city: Will Wright's keynote at ACADIA 2014|website=Archinect|language=en|access-date=2019-03-03}}</ref> to present issues that appear in real-world [[urban planning]]. Many other games in the [[Simulation video game|simulation]] genre have a similar intention, although with many it is not a necessity that the simulation be scientifically accurate. In the [[Puzzle video game|puzzle]] genre, games such as [[Miegakure]] and [[Incredipede]] also involve interacting with systems with the intention of learning. Video games may not involve explanatory text or narration.
Explorable explanations are also distinct from [[Gamification#Education|gamification]]<ref name=":3">{{Cite web|url=https://blog.ncase.me/explorable-explanations/|title=Explorable Explanations |date=2014-09-08 |website=[[Nicky Case]]'s Blog|access-date=2019-01-21}}</ref>, which has the stated intention of improving the structure of [[Reward system|rewards]] in learning. An explorable explanation may or may not involve rewards, and most involve none.▼
▲[[Educational video game|Educational video games]] have an overlap with explorable explanations<ref>{{Cite web|url=http://explorabl.es/|title=FAQ {{!}} Explorable Explanations|website=explorabl.es|access-date=2019-03-03}}</ref>. They are similar in that both involve a computer simulation that is visualized, and both have the intended goal that the audience learns something. However, in an educational video game, the simulation is not necessarily a simulation of the game's intended learning content<ref name=":3" />. Instead, learning content in educational video games is usually put in a non-interactive form such as text or voiceover; the educational game then usually has some schedule whereby the audience alternates between seeing the text and, separately, playing a game, usually a game with mechanics from a standard [[video game genre|genre]], such as a [[platformer]]<ref>{{Cite web|url=https://www.cc.gatech.edu/~asb/papers/bruckman_gdc99.html|title=Can Educational Be Fun?|website=www.cc.gatech.edu|access-date=2019-03-03}}</ref>.
▲Explorable explanations are also distinct from [[Gamification#Education|gamification]]<ref name=":3">{{Cite web|url=https://blog.ncase.me/explorable-explanations/|title=Explorable Explanations|date=2014-09-08|website=[[Nicky Case]]'s Blog|access-date=2019-01-21}}</ref>, which has the stated intention of improving the structure of [[Reward system|rewards]] in learning. An explorable explanation may or may not involve rewards, and most involve none.
== History ==
Board games such as [[The Landlord's Game]] (the precursor to [[Monopoly (game)|Monopoly]]) involve a simulation and so can be described as analogue precursors to explorable explanations.<ref>{{Cite web|url=http://longnow.org/seminars/02017/aug/07/seeing-whole-systems/|title=Nicky Case: Seeing Whole Systems - The Long Now|website=longnow.org|access-date=2019-03-25}}</ref>
[[File:PLATO chem exp.jpg|thumb|The PLATO computer system, which predates the [[Personal computer|personal computing]], was the first platform for what would now be called explorable explanations]]
Many explorable explanations predate the popular use of the phrase<ref>{{Cite journal|last=Singley|first=Mark K.|date=1991|title=MOLEHILL: An Instructional System for Smalltalk Programming|url=http://doi.acm.org/10.1145/108844.108992|journal=Proceedings of the SIGCHI Conference on Human Factors in Computing Systems|series=CHI '91|___location=New York, NY, USA|publisher=ACM|pages=439–440|doi=10.1145/108844.108992|isbn=9780897913836}}</ref><ref>{{Cite journal|last=Redmiles|first=David F.|date=1993|title=Reducing the Variability of Programmers' Performance Through Explained Examples|url=http://doi.acm.org/10.1145/169059.169082|journal=Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems|series=CHI '93|___location=New York, NY, USA|publisher=ACM|pages=67–73|doi=10.1145/169059.169082|isbn=9780897915755}}</ref>. For example, the [[PLATO (computer system)|Plato system]], a computer-assisted instructional system created in 1960 depicted to the right, used interactive examples to teach concepts to students<ref>{{Cite web|url=http://hackeducation.com/2018/01/25/plato|title=PLATO and the History of Education Technology (That Wasn't)|date=2018-01-25|website=Hack Education|language=en-US|access-date=2019-03-27}}</ref>. In 1996, [[Mitchel Resnick]] created an explorable explanation of [[emergence]] using [[Conway's Game of Life]] as an example<ref>{{Cite web|url=http://www.playfulinvention.com/emergence/|title=Exploring Emergence|website=www.playfulinvention.com|access-date=2019-03-03}}</ref>.▼
▲Many explorable explanations predate the popular use of the phrase<ref>{{Cite journal|last=Singley|first=Mark K.|date=1991|title=MOLEHILL: An Instructional System for Smalltalk Programming |url=http://doi.acm.org/10.1145/108844.108992 |journal=Proceedings of the SIGCHI Conference on Human Factors in Computing Systems|series=CHI '91 |___location=New York, NY
The target audience for explorable explanations has historically been limited by available [[Software Platform|software distribution platforms]] (although some have been made for specific museums, without any intention of wider distribution, including some created by [[Karl Sims]]<ref>{{Cite web|url=http://www.karlsims.com/rd-exhibit.html|title=Reaction-Diffusion Media Wall|website=www.karlsims.com|access-date=2019-03-03}}</ref>). Due to the fact that explorable explanations have not previously been successfully [[Monetization|monetized]], physical media such as [[CD-ROM|CD-ROMs]] could not be considered. Since the 2000s, explorable explanations have become more common, because of widespread [[internet]] access and increased [[computer graphics]] possibilities within [[Web browser|web browsers]], for example via [[Scalable Vector Graphics|SVG]], [[WebGL]], and [[Canvas element|HTML5 canvas]] [[API]]. This allows complex simulations to be accessed instantly and shared on [[Social media|social media]].▼
▲The target audience for explorable explanations has historically been limited by available [[Software Platform|software distribution platforms]] (although some have been made for specific museums, without any intention of wider distribution, including some created by [[Karl Sims]]<ref>{{Cite web|url=http://www.karlsims.com/rd-exhibit.html|title=Reaction-Diffusion Media Wall |website=www.karlsims.com |access-date=2019-03-03}}</ref>). Due to the fact that explorable explanations have not previously been successfully [[Monetization|monetized]], physical media such as [[CD-ROM|CD-ROMs]] could not be considered. Since the 2000s, explorable explanations have become more common, because of widespread [[internet]] access and increased [[computer graphics]] possibilities within [[Web browser|web browsers]], for example via [[Scalable Vector Graphics|SVG]], [[WebGL]], and [[Canvas element|HTML5 canvas]] [[API]]. This allows complex simulations to be accessed instantly and shared on [[Social media|social media]].
[[Wikipedia]] has some examples of basic explorable explanations<ref>{{Cite web|url=https://upload.wikimedia.org/wikipedia/commons/9/9a/Conic_section_interactive_visualisation.svg|title=conic section interactive visualisation|website=upload.wikimedia.org|access-date=2019-03-27}}</ref>.▼
▲
== Subject matter ==
The most prevalent examples of explorable explanations concern topics within [[mathematics]]<ref>{{Cite web|url=http://explorabl.es/math/|title=Math {{!}} Explorable Explanations|last=|first=|date=|website=explorabl.es|archive-url=|archive-date=|dead-url=|access-date=2019-04-05}}</ref><ref>{{Citation|last=Benziane|first=Chakib|title=A curated list of awesome explorable explanations.: sp4ke/awesome-explorables|date=2019-04-03|url=https://github.com/sp4ke/awesome-explorables#math|volume=|pages=|access-date=2019-04-05}}</ref> or [[computer science]]<ref>{{Cite web|url=http://explorabl.es/programming/|title=Programming {{!}} Explorable Explanations
Explorable explanations have a bias towards focusing on these topics, and when the subject matter comes from disciplines of [[empirical science]], there is a tendency to focus on [[Quantitative|quantitative models]]{{dn|date=May 2019}} from within the discipline. This is true even in the case of explorable explanations about disciplines where quantitative models are less common, such as [[social science]]<ref>{{Cite web|url=https://www.rockpapershotgun.com/2017/07/30/the-evolution-of-trust-is-a-cute-explain-o-game-about-cooperation/ |title=The Evolution of Trust is a cute explain-o-game about cooperation |last=Horti |first=Samuel |date=2017-07-30|website=Rock, Paper, Shotgun |language=en-US|access-date=2019-01-21}}</ref><ref>{{Cite web |url=http://www.citylab.com/design/2014/12/an-immersive-game-shows-how-easily-segregation-arisesand-how-we-might-fix-it/383586/|title=An Immersive Game Shows How Easily Segregation Arises—and How We Might Fix It |last=Bliss |first=Laura |website=CityLab |language=en|access-date=2019-01-21}}</ref>. The bias is due to the fact that explorable explanations involve a [[Programming language|programmed]] simulation which is required to follow a [[Consistency|consistent]] [[mathematical model]] or [[formal system]]. [[Jonathan Blow]] has argued<ref>{{Citation|last=Glen Chiacchieri|title=Storytime with Jonathan Blow at PAX East 2016|url=https://www.youtube.com/watch?v=UwBl7Rnkt78&feature=youtu.be&t=1923|access-date=2019-01-21}}</ref> that this requirement forces subject matter to be dealt with more [[Rigour|rigorously]] than other mediums such as [[speculative fiction]].
Additionally, since the simulation requires a [[Visualization (graphics)|visualization]], there is a certain bias towards subject matter close to [[geometry]]. For example, there are at least three explorable explanations about [[special relativity]]<ref>{{Cite web|url=https://www.lucify.com/inside-einsteins-head/|website=www.lucify.com|access-date=2019-01-21}}</ref><ref>{{Cite web |url=http://testtubegames.com/velocityraptor.html|title=Velocity Raptor|website=testtubegames.com|access-date=2019-01-21}}</ref> including [[A Slower Speed of Light]]<ref>{{Cite web |url=http://gamelab.mit.edu/games/a-slower-speed-of-light/|title=A Slower Speed of Light|last=Admin|first=Game Lab|website=MIT Game Lab|language=en-US|access-date=2019-03-03}}</ref>.
== Use in
Explorable explanations are increasingly being created by [[Journalist|journalists]]<ref>{{Cite web|url=https://killscreen.com/articles/your-brain-anxiety-interactive-explanation-nicky-case/|title=Your brain on anxiety: an interactive explanation with Nicky Case|last=Joho|first=Jess|date=2015-09-25|website=Kill Screen|language=en-US|access-date=2019-01-24}}</ref>, sometimes by organisations that formerly focused on [[print news media]]<ref name=":1">{{Cite news|url=https://www.nytimes.com/interactive/2017/04/02/technology/uber-drivers-psychological-tricks.html,%20https://www.nytimes.com/interactive/2017/04/02/technology/uber-drivers-psychological-tricks.html|title=How Uber Uses Psychological Tricks to Push Its Drivers’ Buttons|last=Scheiber|first=Noam|date=2017-04-02|work=The New York Times|access-date=2019-01-21|language=en-US|issn=0362-4331}}</ref><ref name=":2">{{Cite web|url=https://www.theguardian.com/australia-news/datablog/ng-interactive/2017/sep/28/hooked-how-pokies-are-designed-to-be-addictive|title=Hooked: how pokies are designed to be addictive|last=Evershed|first=Nick|last2=Ball|first2=Andy|website=the Guardian|language=en|access-date=2019-01-21|last3=Liu|first3=Ri|last4=Davey|first4=Melissa}}</ref> and [[radio]]<ref>{{Cite web|url=https://www.npr.org/sections/money/2015/05/21/408234543/will-your-job-be-done-by-a-machine|title=Will Your Job Be Done By A Machine?|website=NPR.org|language=en|access-date=2019-01-21}}</ref>. In 2015, [[FiveThirtyEight]] collaborated with [[The Marshall Project]] to produce an article on prison parole assessment<ref>{{Cite web|url=https://fivethirtyeight.com/features/prison-reform-risk-assessment/|title=Should Prison Sentences Be Based On Crimes That
Other newsrooms such as [[Bloomberg Businessweek]], [[The New York Times]], and [[The Guardian]] are also notable for their use of explorable explanations to tell stories, for example covering topics like climate change, drug overdoses, and economics<ref name=":1" /><ref name=":2" /><ref>{{Cite news|url=https://www.nytimes.com/interactive/2014/upshot/buy-rent-calculator.html,%20https://www.nytimes.com/interactive/2014/upshot/buy-rent-calculator.html|title=Is It Better to Rent or Buy?|last=Bostock|first=Mike|date=2014-05-21|work=The New York Times|access-date=2019-01-24 |last2=Carter |first2=Shan |language=en-US |issn=0362-4331|last3=Tse|first3=Archie}}</ref><ref>{{Cite news|url=https://www.theguardian.com/society/ng-interactive/2015/feb/05/-sp-watch-how-measles-outbreak-spreads-when-kids-get-vaccinated|title=Watch how the measles outbreak spreads when kids get vaccinated – and when they don't|last=Harris|first=Rich|work=The Guardian |access-date=2019-01-25 |last2=Popovich|first2=Nadja|language=en-GB|issn=0261-3077|last3=team|first3=Kenton Powell on the Guardian US interactive |last4=Harris |first4=Rich |last5=Popovich |first5=Nadja |last6=team |first6=Kenton Powell on the Guardian US interactive}}</ref><ref>{{Cite news|url=https://www.nytimes.com/interactive/2015/03/19/upshot/3d-yield-curve-economic-growth.html,%20https://www.nytimes.com/interactive/2015/03/19/upshot/3d-yield-curve-economic-growth.html|title=A 3-D View of a Chart That Predicts The Economic Future: The Yield Curve |last=Aisch |first=Gregor |date=2015-03-18|work=The New York Times|access-date=2019-01-25|last2=Cox|first2=Amanda|language=en-US|issn=0362-4331}}</ref><ref>{{Cite web |url=https://www.bloomberg.com/tosv2.html?vid=&uuid=8114cb90-2035-11e9-aa93-a38e0a227405&url=L2dyYXBoaWNzLzIwMTUtd2hhdHMtd2FybWluZy10aGUtd29ybGQv |title=Bloomberg - Are you a robot? |website=www.bloomberg.com|access-date=2019-01-25}}</ref><ref>{{Cite web |url=https://www.bloomberg.com/graphics/2015-whats-warming-the-world/ |title=Bloomberg - What's Really Warming the World? |last=Roston |first=Eric |date=2015-06-24 |website=www.bloomberg.com
==Structure==
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All explorable explanations use simulation in some form, but they differ widely in the kind of "guidance" that they give. [[Teacher|Teachers]] at a school can provide the correct guidance; this is the approach advocated for using [[PhET Interactive Simulations]] created by [[Carl Wieman]], and they have been found to be an effective complement to traditional [[Chalk talk|chalk and talk]] lessons<ref>{{Cite web|url=https://phet.colorado.edu/en/research|title=PhET Interactive Simulations|website=PhET|language=en|access-date=2019-03-03}}</ref>.
Most explorable explanations provide guidance using [[prose]]. This is the approach used in several explorable explanation [[Creative technology|creation platforms]]<ref>{{Cite web |url=https://parametric.press/|title=The Parametric Press {{!}} Issue 01 Call For Proposals|website=parametric.press|language=en|access-date=2019-03-03}}</ref><ref>{{Cite web|url=https://idyll-lang.org/|title=Idyll|website=idyll-lang.org|access-date=2019-03-03}}</ref>, including Observable<ref>{{Cite web|url=https://beta.observablehq.com/|title=Observable |website=beta.observablehq.com|access-date=2019-01-19}}</ref> created by [[Mike Bostock]]. Others use [[voice-over]] [[narration]]<ref>{{Cite web|url=https://eater.net/quaternions |title=Visualizing quaternions, an explorable video series|website=eater.net|language=en|access-date=2019-01-18}}</ref><ref>{{Cite web|url=http://ncase.me/neurons|title=Neurotic Neurons |website=ncase.me |access-date=2019-01-18}}</ref><ref>{{Citation|title=A virtual reality tool for mathematical modeling! Contribute to matryx/calcflow development by creating an account on GitHub|date=2019-01-18 |url=https://github.com/matryx/calcflow|publisher=MATRYX|access-date=2019-01-19}}</ref>.
== References ==
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* https://beta.observablehq.com, a creation and sharing platform for explorable explanations with a [[notebook interface]]
*https://minutelabs.io/, a set of explorable explanations connected with the youtube channel [[MinutePhysics]]
[[Category:New media]]
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