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The Quadratic Equation

The quadratic equation is always the answer. Time and time again, while tutoring students, I encounter a resistance to using an unfailing tool called the quadratic equation. This simple algebraic mathematical statement allows a student to find the roots of any clumsy second order polynomial with...

Navier-Stokes is hard?

Navier-Stokes is hard? Author: James Lowman I was recently asked the question; "How can the Navier-Stokes equations both describe our observable world and not be known to always have solutions in 3D?" For those that don't know, the Navier-Stokes (NS) equations represent a mathematical model that...