India

Solar farm

India completes its first solar park

Inaugurated in 2012 by the then Chief Minister of Gujarat Narendra Modi, it was home to about 250 MW capacity initially. In April 2012, a total of 214 megawatts had been commissioned. It also became the world’s third largest photovoltaic power station. 345 MW had been installed by March 2016. So far, the park has witnessed investments of Rs 5,365 crore and generated 3,441 million units till date.

19th-century illustration of a Hindu astronomer Brahmagupta

Brahmagupta writes the Brāhmasphuṭasiddhānta, a seminal work of mathematical astronomy

The Brāhmasphuṭasiddhānta is a text of mathematical astronomy contains significant mathematical content, including a good understanding of the role of zero, rules for manipulating both negative and positive numbers, a method for computing square roots, methods of solving linear and quadratic equations, and rules for summing series.