Kabir Firaque
- Indexed articles, last 90 days
- 10
- Latest publication
- Sep 28, 2026
- Outlet visibility, for Hindustantimes
- Top 5K sites
- Earliest in this view
- Jul 27, 2026
Latest articles
Problematics | Bootleg DVDs (opens the original)
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Like everything else, the way one collects movies has evolved. We have moved on from projector reels to cassettes to discs to the present, when everything is digital. Some store their films on hard disks and some online. The following puzzle acknowledges the evolution by reflecting on the DVD age, which we left behind a decade or so ago. A film buff and his wife, who shares his interest, have built a collection in digital format, and are now getting rid of physical media that take up more space
Indian scientists find tool to control quantum loss: What does it mean? (opens the original)
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One of the fundamental concepts in quantum physics is entanglement, which is key to quantum computing. Entanglement, where the quantum properties of two particles can only be described together, no matter how far apart they are, however, is fleeting, and can disintegrate when entangled particles interact with the environment. This places a limit on how long quantum information can survive before what is known as “entanglement sudden death”. Now, scientists at the Raman Research Institute (RRI) i
Problematics | Sailor dance (opens the original)
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In Quentin Tarantino’s iconic Reservoir Dogs, the heist gang is given codenames because their boss wants to ensure that they do not know each other’s true identities. That is why we are introduced to the six as Mr Blonde, Mr Blue, Mr Brown, Mr Orange, Mr Pink, and Mr White. Only five of them are relevant to our puzzle. In the popular Japanese animated series Sailor Moon, the superhero Sailors are named after familiar celestial bodies. Our puzzle is concerned with only five of them. Five Sailors
New finding breathes life into dark matter hunt (opens the original)
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Dark matter is called dark because it cannot be seen. Scientists believe it must be there because nothing else adequately explains many of the things we observe in the universe. But no one has detected dark matter itself, far less seen it. Until now — or maybe not. In an experiment a mile underground in a South Dakota research facility, scientists have detected signs of what may have been an interaction between ordinary matter and a dark-matter particle. They are cautious about committing themse
Problematics | Dickens on the shelves (opens the original)
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In the very first edition of Problematics, which I published in a local newspaper in my hometown in 1993, the inaugural puzzle involved three variables and two equations to work with. Now everyone knows, of course, that fewer equations than variables cannot determine a unique set of values. But as puzzlers, we also know that we can work with those equations to derive more equations. That was the basis of my first puzzle—and it is also the basis of my latest one below. A bookstore has 89 copies o
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