Wednesday, October 01, 2025
STEM

Tickling/testing AI emotions

People familiar with Machine Learning and AI in general understand the underlying mechanics of how AI chat works. But to many non-techies, it can seem fantastic, magical, even eerie with their converstational abilities and responses blurring the lines between humans and machines. In this quick and simple converstation log, folks who are mystified with AI, […]

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STEM

Building an at-a-glance holidays timeline

Today, I share the steps required to build an overall holiday calendar timeline in Excel. This allows you to see the entire year’s holidays with different categories (e.g. company holidays, federal, personal vacation, etc.) at a glance without requiring you to navigate month by month to see the events. All the year’s key events can […]

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STEM

Prisoners of the world

In this post, I touch on a complex and touchy issue of the human society. We look at the prisoners’ population around the world for selected countries, while casting a wide net of diversity. With the data and visualizations presented, we should be able to answer: Which countries have the highest number of prisoners? Which […]

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STEM

Plotting ranges of values – Cat metrics

In this purr-fectly delightful blog post, I’ll guide you through steps to meaningfully depict ranges of values in Excel, all the while crafting irresistibly cute charts—no graphic skills needed! You’ll discover a few charts showcasing upper and lower values, Means, and custom markers. Using data such as the lifespans, weights, and prices of different cat […]

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STEM

Unicode transformation fun

In this post, I share some exercises of encoding a usual string of English/Latin alphabets into a readable Unicode version with styling but still into a text that can be copied/pasted anywhere without any special app, and then transform the input text into some interesting Unicode symbols (that can also be copied/pasted anywhere as text). […]

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