Sunday, June 15, 2025
STEM

Cup Drop Paradox – Answer and Proof

This is the conclusion of the original post about Tony’s Cup Drop Paradox. If you haven’t read the puzzle already, please do so first, take a stab (you can submit your response anonymously and see what others said) below: Ok, assuming you have given it a shot and perhaps even nailed it, here’s my answer […]

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STEM

Cup Drop Paradox: Who Finishes First?

The Backstory I came up with this puzzle variant after watching a video posted on social media of two girls racing to put cups in a bucket. The winner was clearly due to a faster player but made me think what if I took that variable out and introduced something less obvious. And so here […]

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STEM

Python in Excel — Introduction (how and why)

Python in Excel is a feature that allows users to write and execute Python code directly within Excel spreadsheets. This integration enables advanced data analysis, automation, and visualization without needing external add-ins or additional purchases. Advanced, complex visualizations that are not possible directly in Excel is now possible with Python code that uses powerful libraries […]

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STEM

Stock Data Acquisition And Analyses (Python, Excel)

The stock market is a prominent topic in recent public discussion. Rather than focus on the market itself, this post examines methods for acquiring stock data, reformatting it for use, generating various calculations and visualizations to facilitate analyses, and yielding insights. I will share my approach and point out some useful metrics and observations along […]

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STEM

Categorizing free-form feedback with ML

One of the toughest parts of analyzing survey feedbacks is processing the free-form feedbacks into some quantifiable measures. This is because people express the same thoughts differently, use different styles, spellings, lingos, abbreviations, and not surprisingly, inadvertently introduce spelling and grammatical errors. In order to quantify such entries, we have to arrange each feedback into […]

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STEM

What are the visual ranges of animals?

Visual ranges vary widely among animals due to differences in anatomy, habitat, and behavior. The visual ranges vary depending on the species even within the same animal. In this post, I share the distance up to which some selected animals are known to see clearly. Just for context, humans with good vision can clearly see […]

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STEM

Creating Dynamic TTM Reports in Excel

In this post, I’m sharing a method to create various types of TTM reports including visualization using Excel. While there are various methods I have discovered, I believe my method presented here is fool-proof and also intuitive. It uses EOMONTH function for error-free calculation of each month’s end, and FILTER function to filter and fetch […]

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