This is a reverse-chronological list of all the blogs posted on this site.
- Everything..
- Tiny value of the radiation pressure of sunlight on Earth
- Posters & Thinking…
- Conversation with Prasad Subramanian
- When Chandra’s paper got rejected
- Optical Momentum – Lectures
- C1, C2 and life…
- Feynman’s birthday with a Raman diagram
- Chandra quotes Virginia Woolf
- Scientific method..during morning jog
- Writing Oates.. never turn away..
- Book Talk – Dileep Mampallil
- Snapshots from Yukawa’s archive
- Why write by hand?
- Inside and outside..
- Bose in Rajya Sabha – a video
- DeWitt is a ‘de-influencer’?
- Conversation with Binay Panda
- Oppenheimer on teaching..
- Open Source – an example
- Intensity Interferometer – connection to coherence
- Pavan’s lectures on Quantum Optics
- Born & Wolf to Mandel & Wolf
- Conversation with Sanjit Mitra
- JOSA-A paper on C V Raman
- Long walk to knowledge…
- Einstein in conversation with Shankland
- Conversation with Sudipta Sarkar
- Leggatt asked profound questions…
- Bias for action…at what cost?
- 3 Thoughts on Scholarship in an AI-driven Age
- Raman’s pronouncements..
- Commitment to A Scientific Outlook
- Conversation with Renny Thomas
- Raman’s Optics – Historical Overview
- Conversation with Debarati Chatterjee
- OpenAI and Theoretical Physics
- Conversation with Siddhesh Kamat
- 1937 – Rutherford’s letter to Raman
- Scientific understanding and AI
- AI hype..
- Quantum States in Argand Diagrams: vacuum, coherent, and squeezed
- Critical thinking – doodle
- My Response to Kaplan
- Conversation with Krishnendu Sengupta
- Raman Effect – The paper that announced it…
- 26 Jan – Indian Republic Day…and a few more
- C V Raman and long term thinking
- Your voice…in the age of AI…
- Some random thoughts..
- Brillouin on Sommerfeld
- Conversation with Srubabati Goswami
- Five Aspects of the Fifth Pillar – A Philosophical Perspective
- Raman-Chandra Letters
- Saha and Bose translate Einstein
- Icons of Science in India – some thoughts
- ShuX in IISER Pune
- Quantum Optics course – thoughts and notes
- Raman in a marriage reception
- Hedi Born’s picture
- Conversation with Chaitanya Athale
- On Criticism
- Horizons – book reco
- Lectures, Notes & Discussion – Topics, Papers, Books, etc.
- How to Build Atomic LEGOs?
- Teaching & Meaning
- Create to Understand
- Physics Ideas for Entrepreneurs
- Raman essay and Open-Access
- Opinion on maths
- Quantum Optics – teaching in Jan 2026
- Betty Archdale – 1939 cricket picture – Kannada magazine
- Conversation with Satish Patil
- Humanizing Science – A Conversation with a Student
- Why is astronomy interesting? Chandra likes Wigner’s answer
- Conversation with A.R.Venkatachalapathy
- Polanyi’s quote
- Rotational jamming – preprint
- History of Maths in India – a good book
- Random Walks in Polarization
- Cartoon – Factory Workers
- Conversation with Jyotishman Dasgupta
- 3 Questions for the AI age
- ‘We’gnana !
- Conversation with Vijay Chikkadi
- Have You Seen the Bird Flying? by D. R. Bendre
- π and population
- Conversation with Amit Agarwal
- Ability to Wonder
- Pursuit of Radiance – musical & philosophical
- A telescope built over 20 years
- Light pressure – Lebedev coin
- Some writing advice (mainly physics) for UG students
- Blog highlighted by SciRio
- Builders of Modern Scientific India
- Physics Nobel – 2025 : Schrödinger’s cat and her laboratory cousins
- Meghnad Saha – lest we forget
- Jane Goodall – what a life…
- Gandhi, Tagore and Celebration of Ideas
- Conversation with Aparna Deshpande
- Satish Dhawan – truly a man for all seasons
- Frankfurt in 5 hours…
- Bach @ Leipzig
- Leipzig – where Heisenberg worked…
- Liquid Crystal Droplets + Plasmonic nanoparticle clusters
- Sir MV on Education
- Art and Chu – in Bell labs
- Gardner’s Synthesis
- Real is imaginary and vice versa
- Chandra with Lalitha – 1940 – photo
- When Chandra wrote to Hawking
- Conversation with Arka Banerjee
- Some Optical and IR observatories in India
- Happy Independence Day & de Broglie’s birthday
- A bit of advice…to students
- Conversation with Kollegala Sharma
- Light as EM wave – in Maxwell’s words
- THE DIARY AND OBSERVATIONS OF THOMAS ALVA EDISON
- A quantum survery – 3 thoughts
- Conversation with Shivprasad Patil
- Philosophy of Science – ideas – cartoon
- A note on experimental physics
- Conversation with Robert T. Pennock
- Tony Tyson and a giant CCD camera
- Sanskrit subhashita – don’t waste
- ChatGPT – an experiment
- Scientific Thinking – a short video
- Conversation with Vipul Dutta
- Conversation with Shubashree Desikan
- ConForce 25 – highlights
- More is Different – A Brief Overview
- Hero’s Journey in Mechanics
- Quartet of Modern World
- YouTube as an Archival Source
- Good books : Bohren & Huffman
- Conversation with Vijaykumar Krishnamurthy
- 15 years at IISER Pune – Journey so far
- Einstein – Science and its History & Philosophy
- Soft Matter – emergence of a physics domain
- Conversation with Bejoy Thomas
- Einstein & experimental physics
- Physics & Pratidhvani
- He made physics more humane…
- Optothermally induced active & chiral motion – a new paper
- From Yukawa Archives: a draft, a letter & a rejection
- Where Ideas Merge: A Visit to the Institute of Science Tokyo
- Talk at Kyoto University
- Kyoto digital archives 02 – Japan’s physics Who’s Who…
- Kyoto digital archives 01 – Yukawa’s book
- Maths, Mechanics & Eureka
- Conversation with K. Sridhar
- Floral colours, CV Raman and illustrations
- Optical computing – review link and a few thoughts..
- Physics Portal of Aristotle
- Herschel, IR radiation and the 3 steps of science
- A Global History of Physics
- Engineering Civilizations
- not sufficiently “crazy”
- Nobel is secondary
- arxiv preprint – Quantum Mechanics – historical papers
- How does it connect to a measurement?
- Science + History = ??
- Culture of Science – Solo episodes
- Conversations with Scientists, Historians, Philosophers, Writers etc.
- All Episodes
- CV Raman and Quantum Mechanics
- Masterpiece: The Book of Optics by al-Haytham
- Sadi Carnot & Thermodynamics
- Current Science – Editorial Board
- Hints Before a Discovery: The Case of Neutrons
- Stern-Gerlach experiment – the first picture
- Superstitions – Kepler, Galileo & Newton
- Book alert – Science, Pseudoscience, and the Demarcation Problem
- Conversation with Vinita Gowda
- Listening spell-bound to Prof. Raman
- Conversation with Vivek Polshettiwar
- Conversation with Samrat Mukhopadhyay
- Conversation with Karishma Kaushik
- Conversation with Siddharth Tallur
- Conversation with Sangeeta Kale
- New domain – historyofscience.in
- Willow in comparison – Google quantum chip
- Why Read Books in the age of internet ?
- FOLLOW THE MONEY – A useful model
- Conversation with Ayan Banerjee
- Conversation with Bhaskaran Muralidharan
- Gold nanoparticles in sync – preprint
- Learning & Happiness
- Optothermal dynamics with broadband illumination – preprint
- Conversation with Aninda Sinha
- Conversation with Chaitra Redkar
- Gerhard Herzberg – scientific life
- Lilavati’s daughters – book link
- Galdwell’s talk
- Conversation with Gautam Menon
- Article on Gerhard Herzberg
- APL perspective article
- meeting Niek after ~17 yrs
- Open access : a few thoughts and books
- Conversation with Chinmay Tumbe
- Writing in the age of AI
- Conversation with Ganesh Bagler
- Physics Nobel 2024 – anywhere to everywhere
- Physics is a point of view about the world
- Conversation with Subhankar Bedanta
- Open Science – UNESCO
- Conversation with Anindya Datta
- On open access books
- Optothermal revolution – preprint
- Conversation with Anindita Bhadra
- Reading and meals..
- Conversation with Urbasi Sinha
- This is happiness
- Einstein on Maxwell’s EM theory
- Conversation with Sunil Nair
- Quote by Gauss
- How Optics is Transforming Our World
- Conversation with Harinath Chakrapani
- Conversation with Joyee Ghosh
- The net forward..
- Conversation with Joy Mitra
- Questions as a class assignment
- Conversation with Pramod Pillai
- Conversation with Sivarama Krishnan
- Academic Scientific Writing: A Case for Two Versions
- Conversation with Jeevanjyoti Chakraborty
- Raman & Quantum Mechanics
- Expression as exploration – video
- Workshop lecture at ICTS – Aug 2023
- Masterpiece: The Book of Optics by al-Haytham
- Sadi Carnot – a brief biography
- Conversation with Sreejith G.J.
- My article on Eunice Newton Foote in The India Forum
- Conversation with Neeraja Dashaputre
- How to tackle impatience ?
- Conversation with Pushkar Sohoni
- Discipline is a Talent – Federer’s point
- Conversation with Guruswamy Kumaraswamy
- Conversation with Venu Gopal Achanta
- 50 deg C – here to stay..
- Raman & Gol Gumbaz
- Conversation with Devapriya Chattopadhyay
- Let’s talk physics…outdoors
- Doodle video – Curiosity as a career
- Doodle video – Science meets History
- Conversation with Arnab Mukherjee
- Video-essay on climbing
- Why do people climb mountains?
- Conversation with Dibakar Roy Chowdhury
- Election in Pune and Zero shadow day
- Conversation with Sundar Sarukkai
- How confinement leads to emergence ?
- Conversation with Mayurika Lahiri
- Connection between science and creativity
- A short comment on a bizarre claim – room temp SC
- Why write interesting papers ?
- Why liquid state is amazing ?
- A Twitter thread on my Japan trip that inspired my podcast
- Conversation with Snigdha Thakur
- Music beats on a metal water can
- Conversation with Sudipta Maiti
- Heaviside को Maxwellian क्यों कहा जाता है?
- Meditation on Questioning
- Conversation with Jayant Murthy
- Graviton-like modes – link and some questions
- Some policies of my research
- Graviton modes in solids: Old Argentinian wine in new Bottle ?
- Conversation with Umakant Rapol
- Asimov on lasers
- Conversation with Sandhya Koushika
- Questions: Substance and Form
- Podcast : Leonardo, Rayleigh & blue sky research
- Essay on Raman – now on arXiv
- Conversation with Deepak Dhar
- Conversation with Anisa Chorwadwala
- Raman speaking in German
- C.V. Raman as a Science Communicator: A Historical Perspective
- Conversation with Akhlesh Lakhtakia
- Conversation with B. Ananthanarayan
- Conversation with Suresh Govindarajan
- Quadcopters in 1950s
- Einstein’s foreword on Newton’s Opticks
- Earliest painting of a person wearing spectacles
- Conversation with Susmita Adhikari
- My Forward Moving Chakra
- Robert Boyle’s project list
- Tweet on Asimov
- Conversation with Atikur Rahman
- S.N. Bose in Rajya Sabha
- Conversation with Shivakumar Jolad
- Story of Eric Betzig
- Tables turned…I was a guest on a podcast
- Excerpt from Isaacson’s interview
- Conversation with Ashish Arora
- J.C. Bose and the measurement of refractive index
- Electron Microscopy and Optical Holography: some notes from history
- Mind, Pen & Paper – starting a video series
- Conversation with Neeldhara Misra
- New video – substack link
- I am on Substack now
- Teaching and its impact
- Solo episode : 6 reasons why I do Science
- A capitalistic Galileo ?
- A paraphrased quote I liked
- Some books on the history of thermodynamics
- Solo podcast : A call from Varanasi
- Peacock at NCL Pune
- Solo podcast – Let go the ego!
- Planck replies to Sommerfeld
- My Bengaluru memo..
- Conversation with Nirmal Raj
- Western Ghats..a short video
- John Michell and ‘dark stars’
- Conversation with Angshuman Nag
- Podcast and metrics
- Conversation with Jasjeet Singh Bagla
- Thinking in a Classroom
- Conversation with Nirmalya Kajuri
- Kumar Patel and CO2 laser- Baramati-Pune to Bell Labs
- Natural home…at a parking lot in IISER Pune
- Conversation with Srabanti Chaudhury
- Curie and Raman – born on this day
- Teaching LASERs – snapshots
- Conversation with Sourabh Dube
- Conversation with Kasturi Saha
- Oscillating Chai (tea)
- Twitter thread on Chandra
- Conversation with Dibyendu Nandi
- Why study history?
- Conversation with Sudeshna Sinha
- 2023 Nobel in Sciences – A few observations and questions
- 2023 Nobel in Physics – Initial thoughts
- अहिंसा, सत्याग्रह
- Karnataka through ages
- New paper – Emergence of Directional Rotation
- Conversation with Vishwesha Guttal
- Video on Shechtman and Nobel predictions…
- Conversation with Biman Nath
- Oliver Heaviside : A Maxwellian
- Austin Kleon – inspirations
- Conversation with Arindam Ghosh
- Some lessons from Chandrayaan-3 : A video
- Water droplets on a cobweb – video
- Climate change – report link
- Squirrel vs Gravity
- Conversation with M.S. Santhanam
- Sanskrit quote on learning..
- Zijie Yan…gone too soon
- Conversation with Kaneenika Sinha
- Chandra quoting Milne..
- Paragliding…
- Veer dam backwaters…
- 10 things I learnt from Chandrayan 3
- Amazing video by ISRO
- Conversation with E Arunan
- Active Collective Motion – a video
- New episode – audio-visual podcast – An Indian Prof’s 15 lessons
- Conversation with Ranjini Bandyopadhyay
- Born before Oppenheimer: molecular quantum mechanics
- A twitter thread on Born-Oppenheimer
- Some ironies of publishing
- Conversation with Amitabh Joshi
- Conversation with Saptarshi Basu
- My physics colloquium at IIT-Madras – Feb 2023
- A thread on photography
- Critical thinking in Indian STEM students
- Conversation with Nagaraj Balasubramanian
- Link to essays on Oppenheimer
- Hydrophobic surface of leaves
- New Episode : Conversation with Seema Sharma
- New episode on podcast : Conversation with Sutirth Dey
- A case for compassionate rationality
- New episode on podcast : Conversation with Aditi Sen (De)
- Speckles from boiling water
- Ants as active matter
- Leidenfrost effect in my kitchen
- Podcast: Gripping History of Laser Invention
- Kamala Sohonie and Iravati Karve
- Two Chandrasekhars and their students
- Michelson’s legend in a poem
- June is for Joule
- New episode on podcast
- Galileo’s moon
- New Episode : Ashkin’s Story – no prize to Nobel prize
- New Episode : Science, Rationality and Compassion
- New episode : Six Jugalbandis of Scientific Research
- Namaste, Hola, Welcome!
- Inspirations from Japan
- Pratidhvani-Humanizing Science: podcast on reflections of Academic Scientist
- Osaka and Optical Manipulation
- Ocean, Okinawa and OIST…
- New paper : Optothermoelectric trapping of single nano-diamonds
- Two talks in Tokyo
- Cup Noodles Museum – Food + Science + Technology + Inspiration
- OMC 2023
- Halina Rubinsztein-Dunlop – History of Optical Manipulation
- 3 axis pendulum at Yokohama city : an introduction
- Crepuscular rays in Pune and a surprise from Western Ghats
- Science + History —> better Science
- Toys, Geim and Gupta
- Chomsky et al., on Chatgpt
- Preamble to the discovery of Raman Effect
- Geo-fractal…somewhere over south India
- Soft Matter Optics – talk at ACS -India
- Hot Brownian Colloids – talk
- FCS workshop – talk slides
- M. Visvesvaraya’s professional autobiography
- My talk at ICTS
- Review article – Plasmonic colloids + Optical Vortex
- Basic advice to undergrads: written assignments
- New paper :”Optothermal evolution of active colloidal matter in defocused laser trap”
- A relevant book and its review
- Indian Philosophy and Independent thought
- Roadmap for optical tweezers is on arxiv
- New paper : Microsphere can narrow emission from a 2D material on a mirror
- Carlos’s kick
- 12 Years as a faculty member in India – 12 lessons
- Sagan’s quote
- Black hole image and optical vortex – an analogy
- Scientific Philosophy and Mental Health
- More surprises in Optical Momentum…
- Maxwell connecting EM to light
- OAM + SAM -New paper from my lab
- Talks on C.V. Raman – YouTube links
- Nanowire kink as an antenna for 2D material
- Connection between science and empathy
- Raman and Science Day
- Announcement: my webinars on Science Day
- Open-access publishing is not so open
- 64. Susskind’s view on philosophical Feynman
- 63. Pattern formation in my kitchen
- 62.The 51A.(h)
- 61. Free e-book on Discovering Light: Fun Experiments with Optics
- 60. An old message.. for the new year
- 59. Who is a physicist?
- 58. Optothermal Pulling of colloids using Nanowire Plasmons – my talk at Compflu 2021
- 57. Single nanoparticle driven thermoplasmonic tweezer : single-molecule SERS
- 56. “Paul Traps” video
- 55. Kindness in science
- 54. End-sem email to my class
- 53. Karnad’s preface to his memoir
- 52. Optothermal pulling and trapping..with nanowire plasmons
- 51. A case for Science + Philosophy
- 50. Nanowire-nanoparticle Raman Antenna
- 49. Optical Spin in Nanowire Plasmons
- 48. Test Match Cricket and Research
- 47. Nagendra, Weinberg and some memories…
- 46. Danish and fire at IISER
- 45. Scientific Gandhism
- 44. Beaming light with a bent-nanowire
- 43. Gadagkar’s article
- 42. New paper on WGMs via plasmonic nanowire
- 41. New paper
- 40. Tadashi’s practical application
- 39. Paper on nanophotonics of 2D material
- 38. K.S. Krishnan et al., – students related to the discovery of Raman effect
- 37. A call from Varanasi
- 36. Science for…?
- 35. Water droplets on hot tawa
- 34. Panoramic view
- 33. Laminar to turbulent flow..
- 32. Floating bubble…
- 31. Fluctuating Sun..on a surface
- 30. Post-Nobel blues and blackbody science
- 29. hBN crystal growth…..and a poem by Glück
- 28. Words of Berry
- 27. Question of Life
- 26. Trinocular View of Science
- 25. Ants@IISER as Active Matter
- 24. Bubbles in nimboo soda
- 23. Falling droplets….
- Colloids in Choreographic Time Crystals
- Science + Poetry –> Quo Vadis ?
- Letter to My Undergrad Students
- Updates – COVID times
- References : mai yaha tu kaha
- Raman’s Nephews
- Soft Matter Physics + Photonics – my renewed interest
- Importance of a failed experiment
- Conversations in Research Life
- Expression as Exploration
- Physics Nobel….via Geetanjali
- A Random Walk in Edinburgh
- Curiosity as a Career
- My Metaphoric Oxygen
- Trapping Questions and Evolving Answers
- Science Behind the Science Day
- Why I do Science ?
- Born and Wolf
- Biological Lasers – Alive and Emitting
- Polluted air…..why do we care ?
- Colourful Sky in Leonardo’s Eye
- Beginning of scattering