Challenges

Featured Challenge:
#188 — Voice Chatbot

In this coding challenge, ...

apr 20, 2026

Voice Chatbot
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data visualization

Learn to create your own climate spiral using p5.js and temperature data. Originally designed by the climate scientist Ed Hawkins, the climate spiral is a visual representation of the changing temperatures over time, illustrating the urgent need to address climate change.

Climate Spiral

In this coding challenge, I follow up on the Earthquake Data Visualization challenge and create a 3D version in Processing(Java) using spherical coordinates. I also discuss some 3D vector math including the cross product.

3D Earthquake Data Visualization