The concept of colour requires an understanding of several basic concepts in optics as well as light perception from a …

S Upendran
“I was the best man at the wedding. If I’m the best man, why is she marrying him?” – …

Ho-hum. Another Teachers’ Day has come…and gone. In some schools, children perhaps dress up in adult clothes and pretend to …

Manish Jain
“Real democracy is not about being able to choose one’s rulers. Real democracy starts with being able to choose …