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Doug Holton
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"resources for innovators in undergraduate STEM education to learn strategies for effectively sharing their work with others"
We are developing a set of resources for innovators in undergraduate STEM education to learn...
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Frank McCulley

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I have been working to create virtual environments for my students to use in AP Physics 2.  I have just finished one dealing with the distribution of different wavelengths of light for stars of different temperatures.  Just click the star to change to a different temperature star.

http://www.thephysicsaviary.com/Physics/Programs/Labs/RadiantEmission/index.html

Check out this one and all the others at this address:

http://www.thephysicsaviary.com/Physics/whatsnew.html
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Frank McCulley

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Here is an offshoot of the gas law lab.  It shows students the Maxwell Distribution of Speeds for different gases at different temperatures.  Students can store up to 6 plots on the screen at a time so they can compare one gas to another or one temperature to another.

http://www.thephysicsaviary.com/Physics/Programs/Labs/MaxwellDistribution/index.html
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Doug Holton
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Kindle ebook is free through Saturday
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+Doug Holton​, thanks for sharing this. 
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Jenny Winder

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Take a panoramic tour of the ISS's Columbus laboratory
Sen—The European Space Agency (ESA) have released the first in a series of panoramic photos of the interior of the International Space Station. 
#ISS #Internationalspacestation #samanthacristoforetti #Expedition43
Read the full article at: http://sen.com/news/take-a-panoramic-tour-of-the-iss-s-columbus-laboratory#sthash.ncRytIs3.dpuf
While onboard the International Space Station, ESA astronaut Samantha Cristoforetti catalogued her home of six months. ESA have now released the first of her images to create a panoramic tour of ESA's Columbus space laboratory.
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Frank McCulley

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Just did a complete rewrite of my magnetic field from a wire simulation to turn it from a qualitative lab only to a lab in which students can study the field qualitatively or quantitatively.  

Students can change amount of current, the location of the probe, and the direction of the current.

All comments and suggestions are welcome.
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its amazing Sir.
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Frank McCulley

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The final offshoot of my waves program.  This program lets students explore standing waves in an air filled tube.  Students can find fundamental frequency and a few higher harmonics.  Students can work with a tube with one capped end or two open ends.

http://www.tandftechnology.com/Physics/Programs/Labs/ResonanceTubeLab/index.html
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Looks great Frank!
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Rebecca Vieyra

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I know that most of you are high school / college / university teachers, but I'm sure we can all agree that physics education really must start early, even if only informally.

As a mom to a 4-year-old, I've been working on some simple physics experiments to learn about aeronautics, inspired by children's books. I hope that STEM educators and parents find this useful for introducing small children to science through literature.

Check out my new Aeronautics for Pre-K resource guide! Six STEM modules take inspiration from six popular children's books! I hope that STEM educators and parents find this useful for introducing small children to science through literature.

http://www.aeronautics.nasa.gov/pdf/aero-prek.pdf
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Nice !!!.... :-)))
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Doug Holton
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How Do Sunglasses Work?

Did you know that sunglasses are a demonstration of a variety of physics principles? With physics in mind, sunglasses have been designed to reflect, selectively absorb, and polarize incident light. Reflection, absorption, polarization, color filtering - these are all physics concepts. You can learn more about how physics is used in the design of sunglasses at our Pinterest page: 

https://www.pinterest.com/pin/487373990898695084/

With summer approaching and more time being spent outside, it's time to make the sunglasses part of the daily wardrobe. The next time you reach for the sunglasses, remember that your reaching for "Physics in Everyday Life."

To learn more about the physics of light and color, visit the Light and Color chapter at our Physics Classroom Tutorial:

http://www.physicsclassroom.com/class/light
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Doug Holton
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Open Licensed Astrophysics Texts;
Open for Contributions
Open Astrophysics Bookshelf. Open Licensed Astrophysics Texts; Open for Contributions. View on GitHub. Welcome to the Open Astrophysics Bookshelf. This is a collection of open-licensed, freely available texts on various topics in astrophysics. You are free to use them as-is, make mash-ups of ...
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Thanks...
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What courses or physics topics would you like to see on the internet?

I want to make a physics course series. it will be video and other resources (like animations, simulations apps, and games). It will be  on topics that don't  already have a lot of  resources, and with people in need for them.
I'm a theoretical physics graduate student in my last year of graduate school.
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In our high school district we do a lower-level introductory physics, AP Physics 1 and 2, and AP Physics C (calculus-based mechanics and E&M).  We are an iPad district, so anything we use has to be HTML5 browser-based.

Maybe pick something that you think you can do really really well?  The simpler and clearer the better.  I suspect you might be better off focusing on making one or two great resources, rather than a site full of mediocre ones.
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Doug Holton
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Activities and resources for teaching about Pluto and NASA's New Horizons mission
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Frank McCulley

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Here is an html 5 simulation dealing with monatomic gases in a piston.  The simulation will allow you to examine isothermal, isobaric, isochoric, and adiabatic processes.  It will also allow you to see how mass and temperature affect the average velocity of the atoms in the gas.

I still need to run tests to the program and make sure there are no hidden bugs, but I figured I would put out the link to this program now so that I can get feedback while I am still working on the finishing touches.  So if you see any problems or things that could be enhanced, leave comment in the space below this post.

http://www.thephysicsaviary.com/Physics/Programs/Labs/GasInBox/index.html

You tube video overview here (https://youtu.be/_kdq3oC9Dng)
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Doug Holton
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See the Historical Introduction section for an introduction to Geometric Algebra, an alternative to Gibbs' vector algebra traditionally taught in schools.

For more info, see work by David Hestenes: http://geocalc.clas.asu.edu/

who also started Modeling Instruction in physics education:
http://modelinginstruction.org/

There is also work on Geometric Algebra for computer science: http://www.geometricalgebra.net/
Clifford Algebra, a.k.a. Geometric Algebra, is a most extraordinary synergistic confluence of a diverse range of specialized mathematical fields, each with its own methods and formalisms, all of wh...
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PURPOSE OF FOURIER TRANSFORMS.....
(1) Why sin(30) = 1/2 ?
(2) i ^ 2 = -1 = rotation by 180°
(3) Transpose [A] = Rotation by 180.
(4) Diagonal of a matrix = Its axis of rotation.
(5) Why A x B = ABsin( )??
(6) Why Log(A x B) = Log(A) + Log(B) ???
(7) What is the purpose of curl and divergence??
(8) Purpose of differential equations.
Blog Link.
http://visualizingmathsandphysics.blogspot.in/2014/07/fourier-transforms-intuitively-explained.html?m=1
Boom Link
https://gumroad.com/l/JXwPU
visualizingmathsandphysics.blogspot.in
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Frank McCulley

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2nd Offshoot of waves on a string.

This #html5  simulation lets students explore standing waves by sending two identical waves from different directions along a string. 

Students can change the tension and the linear density of the string.  They can adjust the amplitude and frequency of the oscillator creating the waves.

Ghost waves, slow motion, pausing and frame by frame options are all available.

Students can explore the space needed to fit 1st and 2nd harmonics for standing waves for situations were nodes are on each end, antinodes are on each end, and for situations where a node is on one side and an antinode is on the other.

http://www.tandftechnology.com/Physics/Programs/Labs/StandingWaves/index.html
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Frank McCulley

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Here is the first offshoot program from my wave on a string lab.  This one is designed to look at superposition of waves.  Students will have control over the frequency, amplitude and # of waves for two waves (one approaching from the right and one from the left).  Students can observe the pattern changes that occur as these two waves interact.  

There is an auto slo-motion feature that you can activate that will slow the progress of the waves when they first start to overlap and then return to normal speed when the waves are no longer interacting.

There is a ghosting feature that can be activated so that students can see what the two waves would have looked like had they not interfered.  

Students can invert one or both waves.

Students can change the waves from sine curves to square waves to triangle waves.

Once students pause the action they can slowly step the action forward and backwards.

http://www.tandftechnology.com/Physics/Programs/Labs/InterferingWaves/index.html
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Frank McCulley

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Here is an html5 lab for a wave on string:

http://www.tandftechnology.com/Physics/Programs/Labs/ReflectingWaves/index.html

Can look at reflections from fixed ends vs. loose ends.

Can look at how tension influences velocity

Can look at how frequency and velocity influence wavelength

Here are the directions I created for my class:  

https://sites.google.com/site/mcculleyapphysics1/home/energy/motion-with-time-varying-force/reflection-of-wave-lab
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You are welcome.  You are doing all the hard work! 

I've been meaning to tweak on the Slinky Lab simulation, but you beat me to the punch and did everything beautifully.  We are just finishing up standing waves, and this should come in very handy today. 
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