Every metal has a shelf life. Leave a piece of iron in the open air and the process begins almost immediately. Oxygen from the atmosphere combines with moisture from rain and humidity. A thin film of iron oxide forms on … Read More
5 Senses Tours
Lakshmi of Pompeii: The Indian Goddess Who Was Buried Under Mount Vesuvius
On the morning of August 24 in the year 79 CE, Mount Vesuvius erupted. By the following day the Roman city of Pompeii, which had been one of the most prosperous trading cities in the Mediterranean world, was buried under … Read More
Fairy Queen Train: Ride One of the World’s Oldest Working Steam Locomotives in India
The Fairy Queen was built in 1855 by Kitson, Thompson and Hewitson. That sentence, read carefully, requires a moment to absorb. Not restored to look like 1855. Not rebuilt using modern parts inside a Victorian shell. Built in 1855. The … Read More
God Particle India: The Kolkata Physicist Behind Higgs Boson
On the morning of July 4 2012, scientists at CERN in Geneva announced one of the most significant discoveries in the history of physics. After a quest spanning nearly half a century, physicists had found a new subatomic particle consistent … Read More
Ancient Indian Philosophy and Quantum Physics: The Nobel Connection
In October 2022 the Royal Swedish Academy of Sciences awarded the Nobel Prize in Physics to three scientists, Alain Aspect, John F. Clauser and Anton Zeilinger, for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum … Read More
Chitradurga Fort: The Woman Who Held It Alone With a Pestle
High above the windswept plains of Karnataka, where boulders rest like forgotten gods and the sky meets stone in a quiet embrace, Chitradurga Fort rises, unyielding, untamed, and utterly unforgettable. It has seven concentric walls of fortification. Nineteen gateways. Thirty-eight … Read More
Kanada’s Atomic Theory: The Ancient Indian Philosopher Who Discovered the Atom 2600 Years Before John Dalton
John Dalton is credited with discovering atomic theory in 1808. He was 2600 years late. In approximately 600 BCE, in a small town near what is now Dwaraka in Gujarat, a philosopher named Kanada sat down, wrote the Vaisheshika Sutras … Read More
Indus Valley Script: The 4000-Year-Old Mystery That Is Beginning to Crack
There is a seal in the collection of the National Museum in Delhi. It is approximately four centimetres square. It is made of steatite, a soft grey stone. It was carved somewhere in the Indus Valley between 2600 and 1900 … Read More
Madhava: The Kerala Mathematician Who Invented Calculus 200 Years Before Newton
In 1666 Isaac Newton invented calculus. This is what most of the world was taught and what most of the world still believes. There is a problem with this version of events. A mathematician in Kerala had already done it. … Read More
Wheat vs Rice: How Two Grains Quietly Shaped Two Indias
There is a question almost nobody asks about India, and it is more interesting than it first sounds. Why does Punjab celebrate its new year in April with bonfires and a festival built around cut wheat, while Tamil Nadu celebrates … Read More