Pre-telescopic astronomical instruments at Jantar Mantar from the 18th century are among the most popular historical marvels ...

Did you know that the world’s largest sundial is found in India? This is part of the Jantar Mantar complex in Jaipur, Rajasthan. Built by Sawai Jai Singh, the Rajput king who also gave the city its ...

Commemorating December 22 as National Mathematics Day invites memories of biographies, theorems, institutes, and prizes. But India also has mathematical places: built environments that render the ...

The Jantar Mantar, Jaipur, is an astronomical observation site built in the early 18 th century. It includes a set of some twenty main fixed instruments. They are monumental examples in masonry of ...