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Under the Painted Vault
You may recall an old commercial about Pepsi, where you win if a number on the crown of the Pepsi bottle gets picked up in a lottery. The...

John Pucadyil
Jan 8, 20235 min read


Experiments with Electron Plasmas
In the late eighties, while struggling with erecting and commissioning ADITYA, India’s first tokamak, I found relaxation in thinking...

John Pucadyil
Dec 26, 20225 min read


A Year on Medium
The enforced seclusion caused by COVID-19 nudged me to experiment with blogging. I had a dormant blogspot.com account, and I started...

John Pucadyil
Dec 26, 20226 min read


Two Tokamak Poems
Song of the Stray Electron I wrote the following poem in 1989 we commissioned the ADITYA tokamak which produces plasmas at temperatures...

John Pucadyil
Dec 12, 20223 min read


The Adoor Conundrum
It was Unni who brought the story of the mysterious gift of Adoor Srikantan to look into the future using a compilation created by...

John Pucadyil
Dec 12, 20225 min read


Strategies for Climate Change Reversal
Climate change is caused by global warming as a result of trapping of the heat in the earth’s atmosphere caused by the absorption of...

John Pucadyil
Dec 12, 20224 min read


The Hero's Journey
Books take me into a world of my own. I have friends with whom I have forged close bonds while following their lives and adventures. I ...

John Pucadyil
Nov 20, 20225 min read


Ideas: Emergence, Evolution, Exaptation
Picture courtesy: Miguel Á. Padriñán, Pexels Emergence is the appearance of collective behaviour. Behaviour of crowds differs from...

John Pucadyil
Nov 14, 20226 min read


Is Social Media Controlling Our Minds?
(Based on a talk given to the Senior Citizens’ Forum, Kottayam) Internet open to the public was born in 1983. There is an interesting...

John Pucadyil
Nov 8, 20225 min read


On Matters Sartorial
One of my childhood memories is of me and my two brothers walking to the school dressed in the sartorial splendour of what was called a...

John Pucadyil
Oct 30, 20224 min read


There is Something About LibraryThing
“Book-wrapt” is a word coined by Reid Byers, who wrote the authoritative book on home libraries,“The Private Library: The History of...

John Pucadyil
Oct 22, 20225 min read


Books and Magazines
As the eldest child, I had the run of the house. One great pleasure was rummaging through the collection of old books and magazines. Some...

John Pucadyil
Oct 15, 20224 min read


Mahabali’s Fight to Reclaim Kerala
The Onam festival in Kerala, which came on September 12 this year, is the harvest festival of Kerala. It commemorates the mythical King...

John Pucadyil
Oct 14, 20225 min read


Climate Change Fiction of the 21st Century
If there is one genre of fiction that has celebrated global disasters, it is science fiction. The villains are Artificial Intelligence...

John Pucadyil
Oct 13, 20224 min read


The Dystopian Futures of Philip K Dick
The first movie I saw based on Philip Dick’s fiction is the “Minority Report”. This story happens in a future where crime is prevented...

John Pucadyil
Oct 10, 20224 min read


Reflections on an Onam Feast
Covid’s unique contribution to our way of living is the proliferation of entities supplying cooked food at home. Thanks to one such...

John Pucadyil
Sep 25, 20225 min read


A Lifetime of Reading
As the eldest child, I had the run of the house. One great pleasure was rummaging through the collection of old books and magazines....

John Pucadyil
Sep 17, 20226 min read


Experiments with Plasmas
There are two ways of learning new things. In one, you read up everything (prior art in the patent patois) on the field before doing...

John Pucadyil
Sep 8, 20225 min read


The IBIS Trilogy
Amitav Ghosh’s books are read extensively and are admired by both readers and critics. Though born in India, he is now a citizen of the...

John Pucadyil
Sep 3, 20226 min read


Return on Investment
Mercy auntie was on the phone. Could I go over to her place in Cochin next Saturday? There was a function celebrating her 60th...

John Pucadyil
Sep 3, 20225 min read


Innovation Cycles and Industrial Revolutions
Industrial growth is characterised by surges with an extended period, typically 40–60 years, driven by clusters of innovations. New...

John Pucadyil
Aug 20, 20224 min read


Colours of Hydrogen
Hydrogen burns with a blue colour. This attribute has nothing to do with the appellation ‘Blue Hydrogen,’ which is the name for...

John Pucadyil
Aug 12, 20225 min read


Remembering Predhiman Kaw
I met Predhiman Kaw for the first time in 1972 when I visited the Physical Research Laboratory (PRL) to give a talk on my work on plasma...

John Pucadyil
Aug 5, 20226 min read


A Miracle at Muvattupuzha
John Kuriakose is the Managing Director of DentCare Dental Lab, a company focusing on fabricating dental prostheses. DentCare has...

John Pucadyil
Jul 29, 20225 min read
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