In their annual letter, this year Bill and Melinda Gates write about energy and time. Among other things they describe the importance of opportunity cost of time. Opportunity cost is the next best use of a resource. If instead of doing what you are doing right now what ‘other’ thing could you be doing? That ‘other’ thing is the opportunity cost of your time. The letter highlights opportunity cost of time for women, especially in…

Couple of days back I met a 15 year old. He mentioned that this summer holidays, after his GCSE examinations, he would like to do a short internship in a bank or a tech company to get a feel of what life is like in these professions. He is interested in economics and technology and he figures that such an exposure will get him a better sense of what pursuit of these subjects can later…

 If you are of a certain age you may have learnt your English alphabet reciting – A for Apple, B for Boy, C for Cat… If you were to say this out loud to young kids today they will think you mean – Apple, the company and Game Boy, the gaming console. They might still be in sync with you about cats but only because that is a popular theme on YouTube. Now let’s check…

Have you heard the joke – my heart was a scalar, till it found you. Now it’s a vector. ‘Being in your element’ is like being a vector, an entity that has both speed and direction.Terence Tau is a vector. When he was two he watched Sesame Street, like many children do, but unlike most he used the television show to teach himself how to read! At age 3 he was solving equations, at age…