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Did you know you can solve 2D partial differential equations (PDEs) in Excel without resorting to macros? In this post, we’ll look at how to solve Laplace’s Equation, , in two dimensions using nothing but Microsoft Excel. Introduction Heat transfer is a critical concept in chemical engineering, as engineers often need to design equipment for […]
a year ago

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More from Naveen Arun's Blog

Doing Laundry on Campus Without a Phone

A Graduate Student’s Attempt to Find Sunshine as the Cloud Reigns Summary: I tried doing my laundry without a smartphone. This proved to be difficult, since our laundry machines can only be operated with a smartphone app. After lots of struggle, I finally managed to do it, leading me to reflect on whether technology is […]

a year ago 20 votes
No Good Deed Goes Unpunished

It’s often the case that when we do good things for others, we open ourselves to new risks. A student helps a classmate, only to get accused of cheating. A friend lends money, which strains the friendship. A driver stops their car for a pedestrian, then gets rear-ended. We do so many things with good […]

a year ago 17 votes
“The quick brown fox jumps over the lazy dog”, but in legalese

I asked ChatGPT to rewrite “The quick brown fox jumps over the lazy dog”, but in legalese. This is what it gave me: “WHEREAS, this Agreement is made, entered into and fully understood on this day, by and between two primary entities, both of distinct characteristics and behaviors, respectively designated as ‘The Quick Brown Fox’ […]

a year ago 18 votes
Please Let Me Monetize My Hobbies

Please, let me monetize my hobbies. After all, what’s the point of doing something purely for fun when I could be making money off it? Please, let me turn my relaxing gaming sessions into high-pressure performances with commentary. Who wouldn’t enjoy transforming a leisurely pastime into a taxing job, complete with an audience to please? […]

a year ago 17 votes

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Why Are Some Of Our Most Successful Leaders Mentally Ill?

On Milei, Musk, and Trump

15 hours ago 4 votes
my parents.

the stewards of my soul!

10 hours ago 3 votes
A decade of dissent: the violence of the system

In the latest part of my retrospective essay on ten years of The Acorn, which I edit, I look back on its content in 2019.

19 hours ago 2 votes
Classical Music Got Invented with a Hard Kick from a Peasant's Foot

Or why we need less math in music theory

2 days ago 3 votes
Fast Cash vs. Slow Equity

Knowing what you're building

2 days ago 5 votes