Patrick Honner

Contributing Columnist

Illustration for "Four Is Not Enough"
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Four Is Not Enough

How many colors do you need to color an infinite plane so that no points 1 unit apart are the same color?

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Why Winning in Rock-Paper-Scissors (and in Life) Isn’t Everything

What does John Nash’s game theory equilibrium concept look like in Rock-Paper-Scissors?

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How Math (and Vaccines) Keep You Safe From the Flu

Simple math shows how widespread vaccination can disrupt the exponential spread of disease and prevent epidemics.

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The (Math) Problem With Pentagons

Triangles fit effortlessly together, as do squares. When it comes to pentagons, what gives?

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The Math Behind Gerrymandering and Wasted Votes

Simple math can help scheming politicians manipulate district maps and cruise to victory. But it can also help identify and fix the problem.

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Symmetry, Algebra and the Monster

To begin to understand what mathematicians and physicists see in the abstract structures of symmetries, let’s start with a familiar shape.

About the author

Patrick Honner teaches mathematics and computer science at Brooklyn Technical High School, where he also serves as instructional coach. He is a Math for America master teacher and a recipient of the 2013 Presidential Award for Excellence in Mathematics and Science Teaching. He is a frequent writer, speaker and presenter on mathematics and teaching.