CompassMR helps you learn and explain magnetic resonance central to MRI and NMR.
Not recently updated — last update was on 2019-07-31.
This app may no longer be actively maintained.
About CompassMR
CompassMR is an education app developed by Lars G. Hanson.
Download Statistics
CompassMR has been downloaded 1.7 thousand times. In the last 30 days, the app was downloaded 0 times.
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App Information
CompassMR is FREE to download. The APK download size is 2.95 MB. The latest version available is 3.2.0. The last update was on July 31, 2019.
Technical Requirements
CompassMR requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play July 2015.
Description
The CompassMR app allows you to experiment with Magnetic Resonance (MR) used for MRI and NMR. With this, you can demonstrate MR and make it understandable to anyone in a few minutes.
The app can be used to explore Nuclear and Compass MR that are similar except for atomic nuclei not only being magnetic, but also spinning. Static and oscillating fields can be applied to make a compass needle oscillate vigorously, but only if you discover the "resonance condition". The oscillation can subsequently be measured as an induced voltage over a coil. The Fourier transform and the effect of spin can be explored.
Magnetic nuclei are similarly set in motion and detected during MRI, for example. Spin changes the dynamics, but the resonance phenomenon is similar (vibration vs. precession).
The software is mostly tested with newer Android devices. Feedback is appreciated.
AUTHOR: The software creator Lars G. Hanson is a senior researcher at the Danish Research Center for Magnetic Resonance and the Technical University of Denmark. http://drcmr.dk/larsh and http://cmr.healthtech.dtu.dk/
ABBREVIATIONS: MRI: Magnetic Resonance Imaging NMR: Nuclear Magnetic Resonance
Recent changes: Updated Android libraries and coil graphics
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