Debarun Bhattacharya

Mathematics isn’t the product of one culture; it’s a global story.

From African tally bones to Babylonian astronomy, from Indian zero to Islamic algebra, from Greek geometry to Newton’s calculus, each civilization added a layer.

Even calculus didn’t appear overnight. It was built...

Ever noticed how smart people still make irrational decisions?

It’s not a lack of intelligence; it’s mental shortcuts.

We attack people instead of arguments. We prefer familiar ideas over better ones. We search for evidence that confirms what we already believe.

These are logical...

We usually think encryption started with computers.

It didn’t.

Ancient scribes in Mesopotamia altered words to hide trade secrets. Sparta used leather strips to conceal military messages. Kautilya discussed secret writing centuries before modern cryptography.

Later came Caesar...

Hi, I'm Debarun,

I'm available for blog posts, articles, website content, and editing. I also provide different stages of editing, including developmental editing, structural editing, line editing, copy editing, and proofreading.

My core expertise is in science, technology, and...