Author Archives: Madhusudan Narayanan

Madhava Kerala mathematician calculus infinite series Thrissur Sangamagrama 14th century

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

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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

Chanakya Arthashastra 40 ways embezzlement ancient India fraud detection Mauryan

Chanakya’s 40 Ways to Steal: Ancient India’s Fraud Detection Manual

In the year 1905, a young Sanskrit scholar named Rudrapatna Shamasastry was working through a heap of palm leaf manuscripts in the newly opened Mysore Oriental Library, cataloguing them one by one for the Maharaja’s collection. The manuscripts had arrived … Read More

Tourists with a guide standing before the rock cut Shore Temple at Mahabalipuram, a UNESCO World Heritage site near Chennai

One Day Chennai Tour, How to Spend Your Layover Before or After a Cruise

If you have just one day in Chennai, the question is not whether there is enough to see, it is how to choose wisely. This city sits at the meeting point of two thousand years of temple building, colonial trade, … Read More

Panini world's first programmer Sanskrit

Panini: The World’s First Programmer Wrote Code in Sanskrit, 2500 Years Before Computers Existed

In 1959 a computer scientist named John Backus invented a notation for describing the grammar of programming languages. It is called Backus Naur Form, and it is one of the foundational tools of modern computer science. Every programming language you … Read More

Bengali scientists Kolkata heritage tour Presidency College six who changed the world

The Building in Kolkata That Produced Six Bengali Scientists Who Changed the World

There is a building on College Street in Kolkata. It was built in 1875. Its architecture is the confident Victorian Gothic of a colonial institution that expected to last. Tall windows. High ceilings. A sweeping central staircase. A Baker Laboratory … Read More

Bhor Ghat railway Western Ghats Mumbai Pune heritage tour Victorian engineering 1863

Mumbai to Pune Heritage Tour: Victorian Railway That 42,000 Workers Built

Every time a train leaves Mumbai and climbs through the Western Ghats toward Pune, it is using a railway line built between 1856 and 1863 by 42,000 workers on one of the most audacious civil engineering projects of the 19th … Read More

Two men having a deep conversation in a cozy, warmly lit room with arched windows.

Heisenberg Tagore Kolkata: When the Uncertainity Principle met the Upanishads

On the afternoon of October 4 1929, a 28-year-old German physicist arrived at the house of a 68-year-old Indian poet in Kolkata. The physicist was Werner Heisenberg. Two years earlier he had published the uncertainty principle, one of the most … Read More

A split-screen illustration comparing a 17th-century European scholar studying calculus by candlelight and 12th-century Indian mathematician Bhaskara II writing advanced geometry on a palm-leaf manuscript in Bijapur.

Ancient Karnataka Mathematicians: The Zero, Calculus, Algebra and a Code Still Unbroken

In 1150 CE a mathematician in Bijapur wrote the foundational concepts of differential calculus into a Sanskrit verse. Isaac Newton was born five hundred and fourteen years later. In 850 CE a Jain scholar at the court of a Karnataka … Read More

Nilgiri Mountain Railway tour UNESCO toy train Coonoor tea gardens Blue Mountains

Nilgiri Mountain Railway: The UNESCO Toy Train Guide to India’s Blue Mountains

In 1854 a British engineer looked up at the Nilgiri Hills and proposed building a railway to the top. His superiors said no. He proposed it again. They said no again. He proposed it a third time. No. A fourth … Read More

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