Chartosaur Blog

Practical takes on data visualization and storytelling.

Where the Sun Shines

Daylight & Solar Intensity Across Cities

April 15, 2025|
HeatmapCommentary
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 PlotCommentary
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 BettingCommentary
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 ChartCommentary
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.

Dashboards That Actually Get Used

Say Goodbye to Digital Collectors 👋

March 24, 2025|
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Dashboards That Actually Get Used: Say Goodbye to Digital  Collectors 👋

We've all been there. Weeks of painstaking meetings. Countless brainstorming sessions. A significant chunk of budget invested into shiny new analytics tools. And finally—launch day arrives. Everyone gathers around, marvels at your sparkling new dashboard, and promises this tool will revolutionize how decisions are made.