Chartosaur Blog

Practical takes on data visualization and storytelling.

A Clean, Striking Chart

With One Smoothing Slip

April 30, 2025|
Line Charts
A Clean, Striking Chart: With One Smoothing Slip

This chart from @Barchart caught my eye right away. It shows a major economic shift—the top 1% of U.S. earners now hold more wealth than the entire middle class. That's a powerful story—and the chart tells it clearly. Almost.

Where the Sun Shines

Daylight & Solar Intensity Across Cities

April 15, 2025|
Heatmap
Where the Sun Shines: Daylight & Solar Intensity Across Cities
Credit: @naspli on r/dataisbeautiful

Came across this visualization by @naspli in r/dataisbeautiful and had to share. It shows how daylight and sun intensity change over the year in different cities—and it does it in a really clear, elegant way.

Fragging Beautiful

A 3D Look at CS2’s de_dust2 Kill Zones

April 7, 2025|
3DDensity Plot
Fragging Beautiful: A 3D Look at CS2’s de_dust2 Kill Zones
Credit: @smartbackwards on Reddit

I came across this gem on Reddit and had to share. It's a visual breakdown of where frags happen on de_dust2 in pro CS2 matches—and it's a great case study in when 3D does work in data viz.

Online Gambling

Bar Chart

April 2, 2025|
Bar chartsLayoutRevenueSports Betting
Online Gambling: Bar Chart
Credit: New York Times

When we talk about online gambling, sports betting usually grabs the spotlight, especially with big events like the Super Bowl or March Madness. But this chart makes it crystal clear—online casinos quietly rake in far more tax revenue than sports betting, at least in these six states.

Waffling AI Citations

How Bad Are AI Search Engine Citations?

March 30, 2025|
Waffle ChartPie Chart
Waffling AI Citations: How Bad Are AI Search Engine Citations?
Credit: Tow Center for Digital Journalism at Columbia's Graduate School of Journalism

AI-powered search engines often talk a big game, confidently serving up quick answers to our queries. But the reality of their citations tells a different—and troubling—story.