New study uses ideas from string theory and quantum field theory to simplify calculations of transcendental numbers, like pi and Euler’s Zeta function.

CPCB

New Delhi
16 Feb 2018

According to the World Health Organization, the safe limit of PM2.5 concentration for humans is 25 micrograms/cubic metre. But, the fact that at any given time, the  PM2.5 levels in Delhi hover between 303.9 and 408.2 -- way above the safe level -- is no news! Newspaper headlines scream on toxic pollution levels and people wearing protective masks has become a common sight.