PhysicsLearn
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# Puzzler

Your place for all things puzzler, from this week's conundrum, recent answers, and our extensive puzzler archives.
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# PhysicsLearn

Connections to learning resources for physics teachers and students
Curated by Dolores Gende
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## The Physics of Bullets Vs. Wonder Woman's Bracelets

Wonder Woman can deflect bullets with her Bracelets of Submission. But what kind of recoil would she have? And how much power does it require?
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## Olympic Physics: Diving and the Moment of Inertia

Our favorite physicist looks at the forces involved in the flips and somersaults of a dive.
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## The complex physics of that viral water bottle trick, explained

The viral video of a high school student flipping a water bottle so that it lands straight upright on a table has set the internet ablaze.
With the pressure of his peers looking on
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## Standing Waves like you've never seen them before [w/video] / Labs, Activities, and Other CoolStuff

Standing waves are a common phenomenon usually shown through the vibrations of bridges or springs. Horizontal standing waves are produced in a lab by students shaking cords, springs and bungee cords. However, standing waves can also be produced in a vertical fashion by a single student. Using the new nylon Spring Wave, students are able to produce vertical standing waves easily and calculate the speed of the spring. This is a great little "twist" on the age-old standing wave lab that you have in your arsenal.
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## Behind the Scenes with Light & Color: 10 Great Demos / Labs, Activities, and Other CoolStuff

Did you know the yellow you see on your smart phone doesn't actually contain the color yellow? It's true! Watch this revealing video to see this - AND 9 more great demos that show there's more to studying light and color than meets the eye.
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## The Discovery of Gravitational Waves

All you need to know about the ripples in spacetime detected by LIGO
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## Physics Buzz: Sorry Girls, "Titanic" Doors Were Made of Oak.

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## How Would Football Work if You Played It on Mars?

When humans bring the gridiron to Mars, it'll be football, Jim---but not as we know it.
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## Could High-Dive Jumpers Leap Over This Whole Pool?

This video shows some people jumping off a high dive. Is it possible they could jump fast enough to miss the pool?
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## Waves: An Interactive Tutorial

This online book uses a series of tutorials based on interactive simulations and animations to explore the physics of waves. Students develop their understanding of waves through guided questions and exercises based on these simulations.

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## Circuits and Charges: A Physics Active Exam

This fall, I will be starting my 2nd year at a really cool progressive day school in NYC. The science curriculum is in the process of evolving, but the current program has 9th and 10th graders rota...
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## The Physics Video Vault

Dolores Gende's insight:

Matt Blackman ‏@UniverseAndMore has collected videos on a variety of units in physics.

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## How Physics Explains Thor's Hammer And Captain America's Shield

"Avengers: Age of Ultron" hits theaters Friday. To get prepped, I talked to Professor Jim Kakalios of the University of Minnesota, who researches nanocrystalline semiconductors by day and is the au...
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## Let’s Explore the Physics of Rotational Motion With a Fidget Spinner

America's latest fad provides yet another opportunity to explain physics.
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## The Physics Behind a Madman’s Parachute-Free Skydive Into a Giant Net

In this stunt, Luke Aikins jumps from a plane and lands in a net without using a parachute. Here are some physics questions and answers.
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## The Punishing Physics of Your Favorite Ninja Warrior Stunts

Here are five great examples of physics from Ninja Warrior.
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## The Physics of That Crazy Ricochet Hole in One at the Masters

During the 2016 US Masters Oosthuizen had a shot that deflected off another ball to result in a hole in one on a par 3. Here is a look at the physics of this event.
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## About Foucault Pendulums

About Foucault Pendulums and how they prove the earths rotation - an animated, interactive web site created by the California Academy of Sciences. How Pendulums work.
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## The "Physics Face-off" Activity

× Students work in a friendly competition to solve challenging questions created by their peers in the Physics Face-off activityThe Physics Face-off is an activity where students use Direct Measurement ...
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## Not just for smart dead guys

A high-school physics teacher and his students recreate Henry Cavendish’s famous gravity experiment.
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## Watch What Happens When You Fire A Ball At Sixty MPH Out Of A Truck Traveling Sixty MPH In The Opposite Direction

In this clip from Mythbusters, the team demonstrates what happens when you fire a ball out of a cannon that is traveling the opposing way, but at the same velocity. If you think about it, it's pretty obvious. But however strong your logic (or even your mathematics and understanding of physics) is, it still doesn’t quite seem right when you see it through a high-speed camera. Next time, we want to see a bullet being fired from a rocket car.
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## Just How Tall Can Roller Coasters Get?

On a giga coaster, altitude, rather than speed, has become the defining characteristic. We tested four of them.
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## Teaching Students To Use Their Noodles

A summer program at Johns Hopkins University puts high schoolers' ingenuity to the test — building bridges out of nothing but spaghetti and glue.
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## Football physics: The "impossible" free kick - Erez Garty

In 1997, Brazilian football player Roberto Carlos set up for a 35 meter free kick with no direct line to the goal. Carlos’s shot sent the ball flying wide of the players, but just before going out of bounds it hooked to the left and soared into the net. How did he do it? Erez Garty describes the physics behind one of the most magnificent goals in the history of football.
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## Ideas to Review for AP 1 Test

Below are a series of simulated situations used to illustrate major ideas in physics. Next to each link I give you a few things to consider as you explore the environment that was recreated in the program.
Dolores Gende's insight:

Series of simulations that illustrate physics concepts.

John Myrick's curator insight,

Take a look at these questions, you will see something like this on tomorrows test. Good luck!