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README.md

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 # AR MultiPendulum (Beta)
 
+## The public TestFlight beta is available [here](https://testflight.apple.com/join/96heMdWD).
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 AR MultiPendulum allows users to interact with virtual objects directly with their hand instead of tapping an object's location on a touchscreen. It brings a mesmerizing multi-pendulum simulation into augmented reality. Users interact with this simulation through hand movements and modify it through a holographic interface.
 
 Not only does this app bring augmented reality to a pendulum simulation, it is also the first app to simulate more than three pendulums. Additionally, by repurposing a VR headset for AR, this is the first app that gives users an affordable AR headset experience. If a user has Google Cardboard, they can turn their iPhone into an AR headset that renders their surroundings in VR, based on images acquired using their device’s camera.
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 This repository contains source code created during [this](https://github.com/philipturner/scene-color-reconstruction) research on scene color reconstruction. This source code uses the term "mixed reality" (MR) to differentiate code that generates the handheld experience from code that generates the headset experience. This term is a synonym for augmented reality often used to describe AR headset experiences.
 
 A browser version of the multi-pendulum simulation can be accessed [here](https://github.com/philipturner/multipendulum).
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-The public TestFlight beta is available [here](https://testflight.apple.com/join/96heMdWD).