How to make contrails

I finished reading Doris Lessing’s book of essays Prisons We Choose to Live Inside today. It is only 76 pages long, and it contains the essays Lessing had written for the 1985 Massey Lectures. In one of the essays called Group Minds — which is an observation of how hard one would be able to […]


Very sad today to hear that if there would be no response in today’s final attempt from NASA to make contact with the Opportunity Rover, then the mission is likely to be called to its end. The Rovers (Curiosity, Opportunity and Spirit) had been my sporadic fascination of mine and had always cropped up randomly […]