India, June 23 -- I learnt something new and interesting recently. Most puzzle solvers, including you readers of Problematics, probably know this already, but here it is anyway. To check if a number i... Read More
India, May 19 -- Albert Einstein played the violin. You probably knew that, but did you also know that Richard Feynman played bongo drums and Alexander Fleming was an artist who experimented with 'ger... Read More
India, May 14 -- Clogged lavatories have disrupted two of Air India's international flights in the span of two months, drawing attention to how aircraft toilets operate. All but one of the toilets on ... Read More
India, May 12 -- Those of us who have lived through both of India's ODI World Cup victories will remember the joy of younger cricket fans who hadn't been born yet in 1983 but were old enough to celebr... Read More
India, April 21 -- Suppose you walk up a escalator that is itself moving up. Do you count more steps or fewer compared to moving up a stationary staircase of the same length? What happens if you walk ... Read More
India, April 14 -- In the 1850s, some three decades before the international Date Line was established, the author and mathematician Lewis Carroll puzzled over a question of time. I quote: "Suppose yo... Read More
India, March 24 -- The way people listen to music has evolved very rapidly. Although the gramophone was before my time, I grew up on the record player and then the tape recorder before the CD and then... Read More