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Let's discuss, with conditions
Writing prompt: What topics do you like to discuss? I like to discuss everything under the Sun. However, I’m also wary of people who waste time talking about something in a way that couldn’t possibly lead to a useful insight or a changed mind but are in fact
A song on my mind
Writing prompt: Jot down the first thing that comes to your mind. I’ve got an earworm this morning and it’s been unbudged. It’s the song ‘Neeye unakku endrum’ from the 1962 Tamil film Bale Pandiya. The film is highly okay, at best, notwithstanding many of the social
Memoirs, Substack, and psychology
The English poet Blake Morrison had a thought-provoking essay in The Guardian titled '‘Enough of this me me me’: Blake Morrison on memoir in the age of oversharing' on April 4. He traced the evolution of memoir from a self-congratulatory genre for the accomplished to today's
On the BBC, talking about Gaganyaan and inspiration
The BBC has produced a documentary podcast titled ‘Hope and fear: India’s space revolution’. Its host, Alok Jha of The Economist, interviewed me late last year as part of it, to provide a media perspective of the Indian space programme, in particular Gaganyaan, access to ISRO scientists, the role
Lord of the Rings Day
A happy Lord of the Rings Day to you. This year I almost didn’t write this post because I don’t have anything to say about The Lord of the Rings itself. Chiefly, I have tired of the antics of men. It’s not about some good men and
Climate change and the coastline paradox
A friend recently told me about a tool called climate.you that shows "temperature change, over land and sea", at all points on the earth's surface in a bid "to show how warming is already affecting people everywhere". You can enter the name of
I, Head-bumper
Daily writing promptWhat is one word that describes you? View all responses Tall. I'm tall for India, around 6'3''. My height has recently been on my mind. India is not a good place for tall people. The public infrastructure is geared towards shorter people
Spotting fakes by looking at them
On March 10, the Supreme Court said a balance has to be struck between warding against misinformation online and protecting citizens’ right to free speech. The context was the Centre’s attempts to defend the 2023 IT Rules: when the comedian Kunal Kamra asked who would decide if online content
The little things
Tungsten diboride (WB2) is extraordinarily stiff and resistant to deformation and scientists have long suspected it could be a superhard material, meaning it scores at least 40 gigapascal (GPa) on a hardness test. This is important because diamond, the hardest natural material on Earth, scores 70-100 GPa but because it
The pleasures of rewatching
Daily writing promptWhat movies or TV series have you watched more than 5 times? View all responses I'm afraid the answer is F.R.I.E.N.D.S. My sister and I watched it growing up, then rewatched it, the re-rewatched it, and now then have it
On mathematics and reputation
From ‘Formalizing the stability of the two Higgs doublet model potential into Lean: identifying an error in the literature’, uploaded to arXiv on March 9, 2026: Firstly, we believe this to be the first time a non-trivial error in a research level physics paper has been identified through the process