This report enumerates the third-party resources (code, images, audio, etc) used in a set of simulations.
* [Third-party Code](#third-party-code)
* [Third-party Code License Summary](#third-party-code-license-summary)
* [Third-party Media](#third-party-media)
* [Third-party Media License Summary](#third-party-media-license-summary)
This report is for the following simulations:
* Acid-Base Solutions 1.2.10
* Area Builder 1.1.5
* Arithmetic 1.0.9
* Atomic Interactions 1.0.3
* Balancing Act 1.1.9
* Balancing Chemical Equations 1.1.9
* Balloons and Static Electricity
* Beer's Law Lab 1.4.3
* Bending Light 1.1.6
* Build an Atom
* Chains
* Charges And Fields 1.0.3
* Circuit Construction Kit: Prototype
* Color Vision 1.1.9
* Concentration 1.3.5
* Energy Skate Park: Basics 1.1.5
* Example Simulation
* Expression Exchange
* Faraday's Law 1.1.9
* Forces and Motion: Basics 2.1.4
* Fraction Matcher 1.1.7
* Friction 1.3.3
* Function Builder 1.0.8
* Function Builder: Basics
* Graphing Lines
* Graphing Slope-Intercept
* Gravity And Orbits
* Gravity Force Lab
* Hooke's Law 1.0.9
* Isotopes and Atomic Mass 1.0.8
* John Travoltage
* Least-Squares Regression 1.1.6
* Make a Ten
* Molarity
* Molecule Polarity
* Molecule Shapes 1.1.10
* Molecule Shapes: Basics 1.1.8
* Molecules and Light 1.1.15
* Neuron 1.1.3
* Ohm's Law 1.3.7
* Plinko Probability
* Projectile Motion
* Proportion Playground
* Reactants, Products and Leftovers 1.1.9
* Resistance in a Wire 1.2.8
* Rutherford Scattering 1.0.6
* States of Matter
* States of Matter: Basics
* Trig Tour 1.0.8
* Under Pressure 1.1.4
* Unit Rates
* Wave on a String 1.1.8
* pH Scale 1.2.10
* pH Scale: Basics 1.2.10
To see the third party resources used in a particular published simulation, inspect the HTML file between the `### START THIRD PARTY LICENSE ENTRIES ###` and `### END THIRD PARTY LICENSE ENTRIES ###` (only exists in sim publications after Aug 7, 2015).
# Third-party Code:
**almond-0.2.9.js**
Copyright (c) 2011-2014, The Dojo Foundation All Rights Reserved.
https://github.com/jrburke/almond
License: [The MIT License](licenses/almond-0.2.9.js.txt)
Notes: Allows a RequireJS-based simulation to run in its compiled (smaller, faster) form
**base64-js-1.2.0.js**
Copyright (c) 2014
https://github.com/beatgammit/base64-js
License: [The MIT License](licenses/base64-js-1.2.0.js.txt)
Notes: For converting typed arrays to base64 (helps converting encoded SVG data URLs)
Used by: Balloons and Static Electricity, Build an Atom, Chains, Circuit Construction Kit: Prototype, Example Simulation, Expression Exchange, Function Builder: Basics, Graphing Lines, Graphing Slope-Intercept, Gravity And Orbits, Gravity Force Lab, John Travoltage, Make a Ten, Molarity, Molecule Polarity, Plinko Probability, Projectile Motion, Proportion Playground, States of Matter, States of Matter: Basics, Unit Rates
**benchmark-1.0.0.js**
Copyright (c) 2010-2012 Mathias Bynens http://mths.be
Based on JSLitmus.js Copyright (c) Robert Kieffer http://broofa.com
Modified by John-David Dalton http://allyoucanleet.com
http://benchmarkjs.com
License: [The MIT License](licenses/benchmark-1.0.0.js.txt)
Notes: Used only in Scenery tests
**BigInteger-cda5bcc.js**
Developed by Peter Olson, https://github.com/peterolson
https://github.com/peterolson/BigInteger.js
License: [Public Domain](licenses/BigInteger-cda5bcc.js.txt)
Notes: An arbitrary length integer library for Javascript
Used by: Function Builder 1.0.8, Function Builder: Basics
**BigRational-8f8c2fa.js**
Developed by Peter Olson, https://github.com/peterolson
https://github.com/peterolson/BigInteger.js
License: [Public Domain](licenses/BigRational-8f8c2fa.js.txt)
Notes: An arbitrary length rational number library for Javascript
Dependencies: **BigInteger-cda5bcc.js**
Used by: Function Builder 1.0.8, Function Builder: Basics
**bootstrap-2.2.2.js**
Copyright (c) 2012 Twitter, Inc
Designed and built with all the love in the world @twitter by @mdo and @fat.
http://getbootstrap.com/2.2.2/index.html
License: [Apache 2.0](licenses/bootstrap-2.2.2.js.txt)
Notes: In documentation only, supports webpages for Scenery/Kite/Dot docs
**canvg-1.3.js**
Copyright (c) 2010-2011 Gabe Lerner (gabelerner@gmail.com)
https://code.google.com/p/canvg/
License: [The MIT License](licenses/canvg-1.3.js.txt)
Notes: Javascript SVG parser and renderer on Canvas. Used in scenery unit tests, may be used in sims later on if we convert SVG to Canvas. Downloaded 2/9/2015 from https://github.com/gabelerner/canvg
**canvg-rgbcolor-1.3.js**
Stoyan Stefanov (sstoo@gmail.com)
http://www.phpied.com/rgb-color-parser-in-javascript/
License: [Use it if you like it](licenses/canvg-rgbcolor-1.3.js.txt)
Notes: A class to parse color values (packaged with canvg-1.3), required by canvg, see above
**d3-4.7.1.min.js**
Copyright 2010-2016 Mike Bostock
https://github.com/d3/d3
License: [The MIT License](licenses/d3-4.7.1.min.js.txt)
Notes: Used by metrics-graphics for Yotta graphs
**easing-equations-r12**
Copyright (c) 2001 Robert Penner. All rights reserved
http://robertpenner.com/easing/
License: [Revised BSD License](licenses/easing-equations-r12.txt)
Notes: Easing equations used in Tween.js, used to animate some graphics
Used by: Area Builder 1.1.5, Arithmetic 1.0.9, Bending Light 1.1.6, Charges And Fields 1.0.3, Expression Exchange, Faraday's Law 1.1.9, Forces and Motion: Basics 2.1.4, Fraction Matcher 1.1.7, Function Builder 1.0.8, Function Builder: Basics, Hooke's Law 1.0.9, Least-Squares Regression 1.1.6, Make a Ten, Projectile Motion, Unit Rates
**FileSaver-b8054a2.js**
Copyright (c) 2015 Eli Grey. (http://eligrey.com)
https://github.com/eligrey/FileSaver.js
License: [The MIT License](licenses/FileSaver-b8054a2.js.txt)
Notes: Used for saving screenshot images
**font-awesome-4.5.0**
Created by Dave Gandy
http://fontawesome.io/
License: [Font Awesome licensed under SIL OFL 1.1 · Code licensed under MIT License · Documentation licensed under CC BY 3.0](licenses/font-awesome-4.5.0.txt)
Notes: Provides shapes and icons for phet-io wrappers, SVG for icons in FontAwesomeNode
Used by: Balloons and Static Electricity, Build an Atom, Chains, Circuit Construction Kit: Prototype, Example Simulation, Expression Exchange, Function Builder: Basics, Graphing Lines, Graphing Slope-Intercept, Gravity And Orbits, Gravity Force Lab, John Travoltage, Make a Ten, Molarity, Molecule Polarity, Plinko Probability, Projectile Motion, Proportion Playground, States of Matter, States of Matter: Basics, Unit Rates
**game-up-camera-1.0.0.js**
Copyright (c) BrainPOP
https://github.com/phetsims/sherpa/blob/master/lib/game-up-camera-1.0.0.js
License: [MIT](licenses/game-up-camera-1.0.0.js.txt)
Notes: Allows a simulation to return a snapshot to BrainPOP/GameUp/SnapThought
Used by: Area Builder 1.1.5, Atomic Interactions 1.0.3, Balancing Act 1.1.9, Balloons and Static Electricity, Bending Light 1.1.6, Build an Atom, Chains, Charges And Fields 1.0.3, Circuit Construction Kit: Prototype, Color Vision 1.1.9, Concentration 1.3.5, Energy Skate Park: Basics 1.1.5, Example Simulation, Expression Exchange, Forces and Motion: Basics 2.1.4, Friction 1.3.3, Function Builder 1.0.8, Function Builder: Basics, Graphing Lines, Graphing Slope-Intercept, Gravity And Orbits, Gravity Force Lab, John Travoltage, Make a Ten, Molarity, Molecule Polarity, Molecules and Light 1.1.15, Neuron 1.1.3, Plinko Probability, Projectile Motion, Proportion Playground, Rutherford Scattering 1.0.6, States of Matter, States of Matter: Basics, Unit Rates, Wave on a String 1.1.8
**highlight.js-9.1.0.js**
Copyright (c) 2006, Ivan Sagalaev
https://highlightjs.org/
License: [Revised BSD License](licenses/highlight.js-9.1.0.js.txt)
Notes: Used for phetio.js documentation
**himalaya-0.2.7.js**
Copyright (c) 2015, Chris Andrejewski
https://github.com/andrejewski/himalaya
License: [ISC License](licenses/himalaya-0.2.7.js.txt)
Notes: Used for HTML parsing in simulations, to sanitize/handle rich HTML text
Used by: Build an Atom, Chains, Example Simulation, Expression Exchange, Function Builder: Basics, Graphing Lines, Graphing Slope-Intercept, John Travoltage, Molarity, Molecule Polarity, Plinko Probability, Projectile Motion, Proportion Playground
**iframe-phone-1.1.3.js**
Copyright (c) 2012 Concord Consortium
https://github.com/concord-consortium/iframe-phone/tree/v1.1.3
License: [The MIT License](licenses/iframe-phone-1.1.3.js.txt)
Notes: Used in CODAP interoperability experiments
**jama-1.0.2**
a basic linear algebra package for Java.
http://math.nist.gov/javanumerics/jama/
License: [Public Domain](licenses/jama-1.0.2.txt)
Notes: A derived work (certain ported and modified files) is used in Dot, mainly for matrix decompositions. Used in assorted simulations.
**jquery-2.1.0.js**
Copyright (c) 2005, 2014 jQuery Foundation, Inc. and other contributors
(includes Sizzle.js, http://sizzlejs.com)
http://jquery.com
License: [The MIT License](licenses/jquery-2.1.0.js.txt)
Notes: Facilitates interaction with browser DOM elements, mainly used in Scenery
**jquery-ui-1.8.min.js**
Copyright (c) 2012 AUTHORS.txt; Licensed MIT, GPL
https://jqueryui.com
License: [The MIT License](licenses/jquery-ui-1.8.min.js.txt)
Notes: jQuery UI is a curated set of user interface interactions, effects, widgets, and themes. Used in some phet-io apps
**jshashes-1.0.7.js**
Copyright (c) 2012-2017, Tomas Aparicio
Copyright (c) 1999-2012, Paul Johnston, Angel Marin, Jeremy Lin
https://github.com/r3mi/poly2tri.js
License: [Revised BSD License](licenses/jshashes-1.0.7.js.txt)
Notes: Used for rendering in Scenery's WebGL renderer
**jsondiffpatch-0.1.31.js**
Copyright (c) 2014 BenjamÌn Eidelman, twitter.com/beneidel
https://github.com/benjamine/jsondiffpatch
License: [The MIT License](licenses/jsondiffpatch-0.1.31.js.txt)
Notes: Computes state diffs for record/playback in phetio.js sims
**katex-0.5.1-css-all.js**
Copyright (c) 2009-2010, Design Science, Inc. ()
Copyright (c) 2014 Khan Academy (),
https://github.com/Khan/KaTeX
License: [SIL Open Font License, Version 1.1](licenses/katex-0.5.1-css-all.js.txt)
Notes: Fonts for rendering math equations with FormulaNode, see https://github.com/Khan/KaTeX/issues/339
**katex-0.5.1-css-none.js**
Copyright (c) 2009-2010, Design Science, Inc. ()
Copyright (c) 2014 Khan Academy (),
https://github.com/Khan/KaTeX
License: [SIL Open Font License, Version 1.1](licenses/katex-0.5.1-css-none.js.txt)
Notes: Fonts for rendering math equations with FormulaNode, see https://github.com/Khan/KaTeX/issues/339
**katex-0.5.1.min.js**
Copyright (c) 2015 Khan Academy
https://github.com/Khan/KaTeX
License: [The MIT License](licenses/katex-0.5.1.min.js.txt)
Notes: JavaScript for rendering math equations with FormulaNode
**liberation-sans-regular-subset-numeric-degrees.js**
Developed by Steve Matteson of Ascender Corporation as Ascender Sans and Ascender Serif
http://en.wikipedia.org/wiki/Liberation_fonts
License: [SIL Open Font License, Version 1.1](licenses/liberation-sans-regular-subset-numeric-degrees.js.txt)
Notes: For the 3D text in bond angles (faster updates than SVG text)
Used by: Molecule Shapes 1.1.10, Molecule Shapes: Basics 1.1.8
**lodash-4.17.4.js**
Lodash
Copyright JS Foundation and other contributors
Released under MIT license
Based on Underscore.js 1.8.3
Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
http://lodash.com
License: [The MIT License](licenses/lodash-4.17.4.js.txt)
Notes: Adds common data structure operations such as sorting, grouping, etc.
Used by: Balloons and Static Electricity, Build an Atom, Chains, Circuit Construction Kit: Prototype, Example Simulation, Expression Exchange, Function Builder: Basics, Graphing Lines, Graphing Slope-Intercept, Gravity And Orbits, John Travoltage, Molarity, Molecule Polarity, Plinko Probability, Projectile Motion, Proportion Playground, Unit Rates
**lz-string-1.4.4.js**
Copyright (C) 2004 Sam Hocevar
http://pieroxy.net/blog/pages/lz-string/index.html
License: [The WTFPL](licenses/lz-string-1.4.4.js.txt)
Notes: Provides string compression and decompression.
Used by: Circuit Construction Kit: Prototype
**metrics-graphics-2.11.0.css**
Mozilla Public License, version 2.0
http://www.metricsgraphicsjs.org/
License: [Mozilla Public License, version 2.0](licenses/metrics-graphics-2.11.0.css.txt)
Notes: Plotting for Yotta graphs
**metrics-graphics-2.11.0.js**
Mozilla Public License, version 2.0
http://www.metricsgraphicsjs.org/
License: [Mozilla Public License, version 2.0](licenses/metrics-graphics-2.11.0.js.txt)
Notes: Plotting for Yotta graphs
**metrics-graphics-2.11.0.min.js**
Mozilla Public License, version 2.0
http://www.metricsgraphicsjs.org/
License: [Mozilla Public License, version 2.0](licenses/metrics-graphics-2.11.0.min.js.txt)
Notes: Plotting for Yotta graphs
**node-properties-parser-0.3.1.js**
Developed by Xavi Ramirez
https://github.com/xavi-/node-properties-parser
License: [The MIT License](licenses/node-properties-parser-0.3.1.js.txt)
Notes: A parser for .properties files written in javascript.
**numeric-1.2.6.js**
Copyright (c) 2011 by Sébastien Loisel
http://www.numericjs.com
License: [The MIT License](licenses/numeric-1.2.6.js.txt)
Notes: Provides numeric functions such as optimization algorithms. Used in Energy Skate Park: Basics
Dependencies: **numeric-quadratic-programming-1.2.6**
Used by: Energy Skate Park: Basics 1.1.5
**numeric-quadratic-programming-1.2.6**
Copyright (c) 2011 Alberto Santini
http://www.numericjs.com
License: [The MIT License](licenses/numeric-quadratic-programming-1.2.6.txt)
Notes: Implementation of the quadratic programming modules in numeric.js, not used by PhET software
Used by: Energy Skate Park: Basics 1.1.5
**pegjs-0.7.0.js**
Copyright (c) 2010-2012 David Majda
http://pegjs.majda.cz
License: [The MIT License](licenses/pegjs-0.7.0.js.txt)
Notes: Parser Generator for JavaScript. SVG path parsing in Kite
**pixi-v3.0.0-rc1-dev.js**
Copyright (c) 2012-2014, Mat Groves
http://www.pixijs.com/
License: [The MIT License](licenses/pixi-v3.0.0-rc1-dev.js.txt)
Notes: 2d scene graph. Experimental renderer for Scenery, not used in production
**poly2tri-1.3.5.min.js**
Copyright (c) 2009-2014, Poly2Tri Contributors
https://github.com/r3mi/poly2tri.js
License: [Revised BSD License](licenses/poly2tri-1.3.5.min.js.txt)
Notes: Used for rendering in Scenery's WebGL renderer
**qhint-1.1.js**
Copyright (c) 2013 Alex Gyoshev, http://gyoshev.mit-license.org/
https://github.com/gyoshev/qhint
License: [The MIT License](licenses/qhint-1.1.js.txt)
Notes: Allows us to run code style jshint tests in qunit's unit tests
**qunit-1.14.0.js**
Copyright (c) 2014 jQuery Foundation and other contributors
https://qunitjs.com/
License: [The MIT License](licenses/qunit-1.14.0.js.txt)
Notes: A JavaScript Unit Testing Framework. Allows us to easily test our code to help us make sure nothing gets broken as development continues.
**qunit-2.0.1.css**
Copyright (c) 2016 jQuery Foundation and other contributors
https://qunitjs.com/
License: [The MIT License](licenses/qunit-2.0.1.css.txt)
Notes: A JavaScript Unit Testing Framework. Allows us to easily test our code to help us make sure nothing gets broken as development continues.
**qunit-2.0.1.js**
Copyright (c) 2016 jQuery Foundation and other contributors
https://qunitjs.com/
License: [The MIT License](licenses/qunit-2.0.1.js.txt)
Notes: A JavaScript Unit Testing Framework. Allows us to easily test our code to help us make sure nothing gets broken as development continues.
**requirejs-2.1.11.js**
Copyright (c) 2010-2014, The Dojo Foundation All Rights Reserved.
http://requirejs.org/
License: [The MIT License](licenses/requirejs-2.1.11.js.txt)
Notes: Manages code and dependencies to make it easier to develop simulations and test them quickly
**scenery-e8bb0c3.min.js**
Copyright (c) 2014 University of Colorado Boulder
http://phetsims.github.io/scenery/
License: [The MIT License](licenses/scenery-e8bb0c3.min.js.txt)
Notes: A Scenery build for small web UIs, like Yotta's
**seedrandom-2.4.2.js**
Copyright 2015 David Bau.
https://github.com/davidbau/seedrandom
License: [MIT](licenses/seedrandom-2.4.2.js.txt)
Notes: seeded random number generator for Javascript
Used by: Area Builder 1.1.5, Atomic Interactions 1.0.3, Balancing Act 1.1.9, Balloons and Static Electricity, Beer's Law Lab 1.4.3, Bending Light 1.1.6, Build an Atom, Chains, Charges And Fields 1.0.3, Circuit Construction Kit: Prototype, Color Vision 1.1.9, Concentration 1.3.5, Energy Skate Park: Basics 1.1.5, Example Simulation, Expression Exchange, Forces and Motion: Basics 2.1.4, Fraction Matcher 1.1.7, Friction 1.3.3, Function Builder 1.0.8, Function Builder: Basics, Graphing Lines, Graphing Slope-Intercept, Gravity And Orbits, Gravity Force Lab, Isotopes and Atomic Mass 1.0.8, John Travoltage, Least-Squares Regression 1.1.6, Make a Ten, Molarity, Molecule Polarity, Neuron 1.1.3, Ohm's Law 1.3.7, Plinko Probability, Projectile Motion, Proportion Playground, Resistance in a Wire 1.2.8, Rutherford Scattering 1.0.6, States of Matter, States of Matter: Basics, Trig Tour 1.0.8, Under Pressure 1.1.4, Unit Rates, Wave on a String 1.1.8
**stats-r12.js**
Copyright (c) 2009-2014 Mr.doob
https://github.com/mrdoob/stats.js/
License: [The MIT License](licenses/stats-r12.js.txt)
Notes: Used in Scenery tests and examples, for showing a FPS monitor in the corner of the window
**syntaxhighlighter-3.0.83.js**
Copyright (c) 2004-2010 Alex Gorbatchev
https://github.com/syntaxhighlighter/syntaxhighlighter
License: [The MIT License](licenses/syntaxhighlighter-3.0.83.js.txt)
Notes: Provides code highlighting in Scenery/Kite/Dot documentation
**text-2.0.12.js**
Copyright (c) 2010-2014, The Dojo Foundation All Rights Reserved.
http://github.com/requirejs/text
License: [The MIT License](licenses/text-2.0.12.js.txt)
Notes: Loads strings to be displayed in the sim, including internationalized strings.
**TextEncoderLite-3c9f6f0.js**
AJ ONeal
https://github.com/coolaj86/TextEncoderLite
License: [Apache 2.0](licenses/TextEncoderLite-3c9f6f0.js.txt)
Notes: Used for encoding unicode strings to typed arrays, for Scenery foreign object rasterization
Used by: Balloons and Static Electricity, Build an Atom, Chains, Circuit Construction Kit: Prototype, Example Simulation, Expression Exchange, Function Builder: Basics, Graphing Lines, Graphing Slope-Intercept, Gravity And Orbits, Gravity Force Lab, John Travoltage, Make a Ten, Molarity, Molecule Polarity, Plinko Probability, Projectile Motion, Proportion Playground, States of Matter, States of Matter: Basics, Unit Rates
**three-r71-CanvasRenderer.js**
Copyright (c) 2010-2014 three.js authors
http://threejs.org
License: [The MIT License](licenses/three-r71-CanvasRenderer.js.txt)
Notes: For the 3D view (WebGL and Canvas) Canvas fall-back
Used by: Molecule Shapes 1.1.10, Molecule Shapes: Basics 1.1.8
**three-r71-Projector.js**
Copyright (c) 2010-2014 three.js authors
http://threejs.org
License: [The MIT License](licenses/three-r71-Projector.js.txt)
Notes: For the 3D view (WebGL and Canvas) Canvas fall-back
Used by: Molecule Shapes 1.1.10, Molecule Shapes: Basics 1.1.8
**three-r71.js**
Copyright (c) 2010-2014 three.js authors
http://threejs.org
License: [The MIT License](licenses/three-r71.js.txt)
Notes: For the 3D view (WebGL and Canvas)
Used by: Molecule Shapes 1.1.10, Molecule Shapes: Basics 1.1.8
**Tween-r12.js**
Copyright (c) 2010-2012 Tween.js authors.
https://github.com/tweenjs/tween.js/
License: [The MIT License](licenses/Tween-r12.js.txt)
Notes: Used to animate some graphics
Dependencies: **easing-equations-r12**
Used by: Area Builder 1.1.5, Arithmetic 1.0.9, Bending Light 1.1.6, Charges And Fields 1.0.3, Expression Exchange, Faraday's Law 1.1.9, Forces and Motion: Basics 2.1.4, Fraction Matcher 1.1.7, Function Builder 1.0.8, Function Builder: Basics, Hooke's Law 1.0.9, Least-Squares Regression 1.1.6, Make a Ten, Projectile Motion, Unit Rates
**typedarray-44f09cf.js**
Copyright (c) 2010 Linden Research, Inc., Copyright (c) 2014 Joshua Bell
https://github.com/substack/typedarray
License: [The MIT License](licenses/typedarray-44f09cf.js.txt)
Notes: Typed array polyfill for optimization in matrices and/or 3D applications
Used by: Molecule Shapes 1.1.10, Molecule Shapes: Basics 1.1.8
**ua-parser-0.7.12.min.js**
Copyright © 2012-2016 Faisal Salman <>
https://github.com/faisalman/ua-parser-js
License: [The MIT License and GPLv2](licenses/ua-parser-0.7.12.min.js.txt)
Notes: Parse User Agents strings to make them human readable
---
# Third-party Code License Summary:
The MIT License
Public Domain
Apache 2.0
Use it if you like it
Revised BSD License
Font Awesome licensed under SIL OFL 1.1 · Code licensed under MIT License · Documentation licensed under CC BY 3.0
MIT
ISC License
SIL Open Font License, Version 1.1
The WTFPL
Mozilla Public License, version 2.0
The MIT License and GPLv2
---
# Third-party Media:
**BALANCING_ACT/fire-extinguisher.png**
Public Domain
https://openclipart.org/detail/27077/fire-extinguisher
License: Public Domain
Notes: Modified by John Blanco
**BALANCING_ACT/old-television.png**
Public Domain
https://openclipart.org/detail/19995/antique-television
License: Public Domain
Notes: Modified by jblanco
**ENERGY_SKATE_PARK_BASICS/cement-texture-dark.jpg**
Public Domain
http://www.public-domain-image.com/full-image/textures-and-patterns-public-domain-images-pictures/concrete-texture-public-domain-images-pictures/cement-texture.jpg-royalty-free-stock-image.html
License: Public Domain
Notes: (no notes)
**FLUID_PRESSURE_AND_FLOW/cement-texture-dark.jpg**
Public Domain
http://www.public-domain-image.com/full-image/textures-and-patterns-public-domain-images-pictures/concrete-texture-public-domain-images-pictures/cement-texture.jpg-royalty-free-stock-image.html
License: Public Domain
Notes: (no notes)
**FLUID_PRESSURE_AND_FLOW/grass-texture.png**
Public Domain
http://openclipart.org/detail/21212/grass-texture-by-rg1024-21212
License: Public Domain
Notes: also used in Under Pressure
**FORCES_AND_MOTION_BASICS/brick-tile.png**
Public Domain
http://openclipart.org/detail/9523/-by--9523
License: Public Domain
Notes: (no notes)
**FORCES_AND_MOTION_BASICS/cloud1.png**
Public Domain
http://openclipart.org/detail/99229/landscape-by-rg1024
License: Public Domain
Notes: (no notes)
**FORCES_AND_MOTION_BASICS/golf-clap.mp3**
Public Domain
http://www.pdsounds.org/sounds/clapping_hurray
License: Public Domain
Notes: edited by Noah Podolefsky and Sam Reid
**FORCES_AND_MOTION_BASICS/golf-clap.ogg**
Public Domain
http://www.pdsounds.org/sounds/clapping_hurray
License: Public Domain
Notes: edited by Noah Podolefsky and Sam Reid
**GRAVITY_AND_ORBITS/earth.png**
Copyright NASA
http://visibleearth.nasa.gov/view.php?id=56236
License: NASA
Notes: see http://visibleearth.nasa.gov/view.php?id=56236, http://cac-science8.wikispaces.com/ nasa copyright rules here http://www.nasa.gov/audience/formedia/features/MP_Photo_Guidelines.html
**GRAVITY_AND_ORBITS/moon.png**
Public Domain
http://astro.unl.edu/misc/moonpics/moon08_th.jpg
License: Public Domain
Notes: Public domain license noted at http://astro.unl.edu/misc/moonpics
**JOHN_TRAVOLTAGE/arm.png**
from American Cinematheque
http://www.americancinematheque.com/ball/1997MPBTravolta.htm
License: Unlicensed
Notes: edited by NP
Exception: PhET decided to allow images for John Travoltage even though we were unable to contact American Cinematheque for explicit permission
**JOHN_TRAVOLTAGE/body.png**
from American Cinematheque
http://www.americancinematheque.com/ball/1997MPBTravolta.htm
License: Unlicensed
Notes: edited by NP
Exception: PhET decided to allow images for John Travoltage even though we were unable to contact American Cinematheque for explicit permission
**JOHN_TRAVOLTAGE/leg.png**
from American Cinematheque
http://www.americancinematheque.com/ball/1997MPBTravolta.htm
License: Unlicensed
Notes: edited by NP
Exception: PhET decided to allow images for John Travoltage even though we were unable to contact American Cinematheque for explicit permission
**VEGAS/boing.mp3**
Public Domain
http://freesound.org
License: Public Domain
Notes: Creative Commons 0 license, modified by John B
**VEGAS/boing.ogg**
Public Domain
http://freesound.org
License: Public Domain
Notes: Creative Commons 0 license, modified by John B
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# Third-party Media License Summary:
Public Domain
NASA
Unlicensed