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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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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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Doug Holton
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See also the calculus explanations at http://betterexplained.com/cheatsheet/
What is the derivative and why do you need it in physics? Here is a very quick introduction to derivatives to get you through your first physics course.
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Frank McCulley

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Here are 4 html5 programs I just finished to check that students can work through series/parallel and combination circuits.  Each time the page is launched a new set of values get generated.

http://www.tandftechnology.com/Physics/whatsnew.html
Series in Parallel Circuit (4/2/2015) Series in Parallel Circuit. Determine the amount of power dissipated in a resistor in a complex circuit. YouTube video describing the problem. Parallel in Series Circuit (4/2/2015) Parallel in Series Circuit. Determine the amount of power dissipated in ...
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Frank McCulley

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An html5 game where students have one minute to estimate the center of mass of as many particle systems as possible.  

http://www.tandftechnology.com/Physics/Programs/Games/CenterOfMassTimed/index.html

Scores for each guess are calculated based on the number of particles in the system and the distance the students are from the real center of mass.  

Other activities involving center of mass, torque and rotational equilibrium have been added to the "What's New" Page found here:  

http://www.tandftechnology.com/Physics/whatsnew.html
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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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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
owner

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A new set of ebooks on Teaching High School Physics by our very own +Rebecca Vieyra and her father, +Carl Wenning 
See also the corresponding Google+ community on Teaching High School Physics: https://plus.google.com/communities/108629095235535972693

And see the many free android sensor apps she and her husband +Chrystian Vieyra have developed: https://play.google.com/store/apps/developer?id=Vieyra%20Software&hl=en

along with her Mobile Sensor Apps for Learning Google+ community: https://plus.google.com/communities/117493961647466126964
 
Check out our website for detailed abstracts and outlines for each of our 40 chapters across three volumes!
--------------

Teaching High School Physics is a work in 3 volumes. Its authors are an accomplished university physics teacher educator and a distinguished high school physics teacher.

With an emphasis on pedagogical content knowledge in physics education, this publication helps to prepare physics teachers with a solid philosophical and practical foundation. It includes specific strategies and guidelines for physics teacher education. 

This book includes guidance for teachers throughout their career, from student teaching to advanced professional growth. It can serve as a textbook for prospective high school physics teachers, and as a detailed reference for in-service physics teachers and physics teacher educators.

This publication summarizes research associated with physics teaching and learning, while incorporating broad topics, researcher, and resources associated with general educational practices that might be taught in departments, colleges, or schools of education. This book includes a myriad of examples of effective instructional activities in high school physics. A father-daughter team, the authors bring the theoretical and the practical together in a 3-volume publication.
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Rebecca Vieyra

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Join us on Monday, April 13th at 8PM EDT for the eMentoring webinar with PhysicsClassroom.com developer Tom Henderson. Visit http://ementoring.aapt.org  for more info.
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Additionally, please feel free to message me directly if you would like to join this webinar without registering through the website (although we'd love to have you as an eMentee or eMentor, there is certainly no obligation!)
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Frank McCulley

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I have gathered together 50 of the programs I have created for my AP Physics students onto a single page.  I selected each of these programs because they were connected to one of the learning objectives in the AP 1 Curriculum Framework.  

All of these programs will allow students to check their understanding of a skill or their ability to work through a certain type of problem.

Each program will provide feedback to the student to let them know if they did it correctly.  Many (soon all) have you tube videos attached to them that will help if a student is stuck.

Feel free to share this link with your AP students.

http://www.tandftechnology.com/Physics/APPrograms/AP150.html
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Thanks !!
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