Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?
This is your opportunity to ask questions. No question too simple or too silly.
Culture war topics are accepted, and proposals for a better intro post are appreciated.
Jump in the discussion.
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Notes -
There's an app for Android called Physics Toolbox that basically allows you to directly read and plot data from all the phone's many sensors. It effectively makes the phone into a tricorder and you can gather information about acceleration, angular velocity, magnetic bearing, GPS position, temperature, pressure, ambient light, noise levels, audio spectral analysis, magnetic field vectors, all kinds of fun stuff.
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