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https://twitter.com/sjoshi/status/1306802728958533632

@simblysimple

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Navin Kabra

@NGKabra

Dec 14, 2024

I recently found out that Akbar's wife, popularly (but mistakenly) known as Jodhabai, was an accomplished international trader and her business problems possibly resulted in changing the fate of India: ensuring the British colonized India instead of Portugal 1/36

So, this is the story of how a Hindu queen's Muslim ship, carrying Hajj pilgrims in Christian waters patrolled by the Portuguese armada resulted in changing the course of Indian History. (Sorry can't find the original source of for this wonderful sentence) 2/36

But first, what do I mean by "mistakenly known as Jodhabai"?

The name of Akbar's wife, mother of Salim (aka Jahangir), was not Jodhabai. Women of the Mughal harem were referred to by their birth place (or place where they were "first viewed with affection by the Emperor") 3/36

Read 44 tweets

Navin Kabra

@NGKabra

Jul 15, 2024

Who are Indians descended from? Aryans from Europe? Dravidians who've been "here" forever? The Indus valley civilization?

A controversial question for 150+ years, but now we have DNA evidence that answers these questions with a high degree of certainty.

🧵

The controversy originated with the (now discredited) "Aryan Invasion Theory" which began as a respectable theory of how Indian, European, and Persian languages all have a common ancestry: but was quickly adopted by racist white Europeans

It started in late 17xx when William Jones, a linguistic scholar, was appointed a judge of the Bengal Supreme Court. He came to India and noticed striking the similarities between Sanskrit, Persian, Gothic, Greek, Latin.

Read 42 tweets

Navin Kabra

@NGKabra

Jun 21, 2024

Devanagari is an extremely elegant script. But this was never explained to us in school.

A thread on the awesomeness that is devanagari.

Let's start with the things that my teachers did *not* teach me in school:

Why do both श and ष exist? (The difference in pronunciation was never explained) Why do ङ and ञ exist?

What is ऋ? Is it pronounced “ri” or “ru”, and in any case, why does it even exist if री and रु exist?

Much later in life, when I understood the meaning of the rows and columns in Devanagari, everything fell into place and I saw the beauty and elegance of it all.

Read 17 tweets

Navin Kabra

@NGKabra

Dec 13, 2023

Ever wondered why "sin" (of trigonometry) is called "sin"? Today, I decided to find out, and the history is fascinating. It comes from the Sanskrit word for bowstring which somehow got translated to the Latin word for the "pallu" of a toga.

Follow me down this rabbit hole 🧵

Let's start with this wonderful image I received from a friend on WhatsApp (source unknown). Here, you can clearly see why "tan" is called "tan". But what about "sin"?

If you think of the solid yellow arc as a bow, then the solid blue line (sine) is the bowstring 🧵

jīvá (जीवा) the Sanskrit word for bowstring is the name given to sin by Aryabhata the inventor¹ of the sine and cosine functions.

How do you get from there to a toga? A series of interesting accidents

--
¹ Ok fine, discoverer 🧵

Read 7 tweets

Navin Kabra

@NGKabra

Feb 8, 2023

WhatsApp (if used well) is one the best things that has happened in communications in recent times.

It is excellent for deepening bonds with friends, relatives, and professional contacts.

But you have to work to ensure that WhatsApp doesn't degenerate into uselessness/toxicity

By default WhatsApp can be too noisy and a distraction. Here's 4 things I have done to improve the situation significantly:

1. Surgical notifications
2. Ruthless exits from noisy large groups
3. Proactive creation of smaller groups
4. Polite policing

Surgical notifications: 3 customized levels of notifications

Disable all notifications for groups—No sound, no popup, nothing

Gentle, low-volume, low-duration notification for 1–1 chats

Proper notification for a selected few people: kids, spouse, boss, important small groups

Read 13 tweets

Navin Kabra

@NGKabra

Jul 13, 2022

Rewriting my thread on #karmanyevaadhikaraste because it is important enough to get right

The first few tweets are a simple introduction and you can skip those because it will be familiar to most Indians

But the rest of the thread, the example applications, are the good stuff

Bhagavad Gita, chapter 2, verse 47:

कर्मण्येवाधिकारस्ते मा फलेसषु कदाचन
मा कर्मफलहेतुर्भूर्मा ते संगोसत्वकर्मणि

You have the right to action alone, not to its fruits
Don't be motivated by the fruits, and don't get attached to inaction either

The first part is famous and everybody quotes it: focus on your actions, not on the outcomes.

The second part is rarely quoted: don't use this as an excuse to not do anything. Do the right thing (even if it sometimes might seem pointless.)

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