For the past few months, I've been implementing machine learning algorithms and one of the small details about higher dimensional spheres caught me by surprise.

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There are quite a few places where one can go indoor rock climbing in NYC. To keep the climber safe, the climber wears a harness that is attached to to a rope. The rope is then wrapped around a pipe at least one time and then at least 160 degrees...

There are still elementary facts about free damped oscillators that catch me off guard from time to time. One of these facts is that the maximum of the damped oscillation solution is different from the envelope that is tangent to it.

When I took my first programming course at Polytech, I used a Integrated development environment (IDE) called Visual Studio. It magically complied all my files together and formed an executable. Now a days, I've moved on from using IDEs and switch...