You may have seen trendy temperature blankets on social media where crocheters around the world record their temperature each day or week using different colors for different temperatures. This results in a colorful array, and a crafty way to visualize trends over time.

Our guest on this episode of Perpetual Notion Machine is Andrew Hahn, a Newsroom Developer at the Milwaukee Journal Sentinel, who crocheted a beautiful bathymetric map of Lake Mendota using worsted weight wool and acrylic.

He and host Lauren Hicks discuss the untraditional ways of data visualization and how journalists are turning to crochet to tell data stories.  They also weave into conversation how data is becoming more intertwined with art and the importance of data visualization.

About the guest:

Andrew Hahn is a Newsroom Developer at the Milwaukee Journal Sentinel, a UW-Madison Alum, and a map fanatic who used crochet to illustrate Wisconsin lakes.

You can find more of Andrew’s work on his Twitter. You can also read his most recent article titled “Actors, athletes, and spies: These 72 people are the most ‘famous’ from each county in Wisconsin.”

Photo by Andrew Hahn. 

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