tag:blogger.com,1999:blog-60862472024-03-12T10:21:20.165+05:30blog@Yantrajaalthe incomplete thoughts of Prithwis MukerjeeCalcuttahttp://www.blogger.com/profile/16070070371730319966noreply@blogger.comBlogger443125tag:blogger.com,1999:blog-6086247.post-70589775644390003462023-12-31T05:45:00.012+05:302024-01-17T09:19:24.817+05:30PostgreSQL 42 Why is 42 a special number?The number 42 is, in The Hitchhiker's Guide to the Galaxy by Douglas Adams, the "Answer to the Ultimate Question of Life, the Universe, and Everything", calculated by an enormous supercomputer named Deep Thought over a period of 7.5 million years.This slide deck (with 42 slides) demonstrates a wide variety of SQL statements that should meet almost everyPrithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-73580553431876820362023-09-10T10:12:00.003+05:302023-09-10T15:52:27.020+05:30Restructuring the Indian Space Program for Financial EfficiencyWhile India celebrates the success of Chandrayaan-3 in safely delivering the Vikram lander and the Pragyan rover to the surface of the Moon, it should not view this exercise as an end by itself but merely a means to an end. But what is that end goal that India should be looking for? A lunar base of course, but first, why?History tells us that the famous Chinese mariner Zheng He carried out Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-30390849781692830492023-08-24T14:34:00.008+05:302023-08-29T08:11:59.261+05:30After Vikram, Bhabha next : Nuclear Power on the MoonThe stunning success of the Chandrayaan / Vikram / Pragyan mission opens up a world of possibilities for India on the Moon. The next logical step would be to set up a permanent base station - similar to Dakshin Gangotri in Antartica -- that would serve as a locus for the mining, manufacturing and other operations. The Indian engineering industry has extensive experience in these areas, but their Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com9tag:blogger.com,1999:blog-6086247.post-53591148350699881422023-07-12T16:27:00.003+05:302023-07-12T16:27:40.362+05:30Bhagavad Gita and the Illusion of DualityUnlike Abrahamic religions, Sanatan Dharma is mature enough to handle both heresy and blasphemy, and this gives us the right and liberty to question certain perspectives that lie at the core of what is referred to as Hinduism. Of late, a certain minor operative of ISKCON has been very critical of Vivekananda and Ramakrishna but on enquiring further I realised the ISKCON boss himself, Prabhupada, Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com2tag:blogger.com,1999:blog-6086247.post-85576891209736819262023-04-29T08:25:00.002+05:302023-04-29T08:25:08.414+05:30Generative AI at work Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-22304922207160016622023-03-11T14:58:00.005+05:302023-04-02T15:11:38.929+05:30Evolutionary NeosapienceNearly 100,000 years before the present era, when hominins (modern humans) were diverging away from hominids (the great apes) on the evolutionary graph, we come across multiple species of humans like neanderthal, cro magnon and denisovan sharing space on earth. But with the passage of time and changing circumstances, all human species except cro magnon were eventually eliminated leaving Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-55933555339365708352023-03-08T12:11:00.000+05:302023-03-08T12:11:11.169+05:30Palash Blooms in Purulia This year, there has been an explosive flowering of the Palash flower all across the Bengal-Jharkhand border. Starting right from Raniganj and Asansol and following the railway line through Dhanbad, Bokaro and Chandrapura we saw an incredible number of Palash trees in full bloom. But the best was reserved for us at Muruguma near the Purulia Ranchi district border. Here we stayed at thePrithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0Murguma, West Bengal 723202, India23.3196164 86.059333-9.615394910177244 50.903082999999995 56.254627710177246 121.215583tag:blogger.com,1999:blog-6086247.post-69029682585177372342022-12-02T07:13:00.002+05:302022-12-19T09:01:21.982+05:30Trams in Europe Trams in ViennaTrams of BudapestTrams in WarsawTrams in PragueTrams in Brno, Czech Tram in BerlinTrams in KrakowTram at Poznanand tram at Rashbehari Avenue, Calcuttaall images from 2016sorry, you may not be able to see these pictures unless you are a friend of mine on Facebook!Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-86173298493182901092022-11-20T17:02:00.001+05:302022-11-20T17:02:24.947+05:30 Astrology as Quantum EntanglementModern science is sceptical of astrology because it cannot be explained in terms of any physical phenomenon. This fear of inexplicability of this ancient body of knowledge has metamorphosed into derision and hostility by those who claim to be rational and of a scientific temper. This behaviour follows a trajectory best described as “First they ignore you. Then they ridicule you. And then they Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com3tag:blogger.com,1999:blog-6086247.post-53964283772485140622022-10-06T08:13:00.001+05:302022-10-06T08:13:41.378+05:30The Transit Tracker Learnt about a new video-editing software, ffmpeg, and used it enhance the output of the Transit Tracker module of my Parashar21 suite of free, python based astrology utilities. Check out the Parashar21 github page of simply enjoy this video.Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-10971186837347687652022-09-24T10:35:00.005+05:302022-09-24T10:39:52.609+05:30Parashar21 Significant updates made to the Parashar21 software. See the Github repository for the latest.Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-32621015378614322872022-07-02T07:21:00.005+05:302022-07-02T07:21:40.029+05:30Motorcycles in the Sky Van Gogh style
Unreal EnginePrithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-30481906732050342622022-07-01T09:58:00.003+05:302022-07-01T09:58:12.955+05:30The Dancing Goddess - two versions
Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-15327276455390033112022-07-01T09:55:00.005+05:302022-07-01T09:56:35.900+05:30Rathayatra
Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-80437728329597351262022-06-29T16:37:00.000+05:302022-07-01T09:56:27.208+05:30Lady at the SeaShore - Two versionsMore Digital Art from Generative Adversarial Networks First, the "Unreal Engine" Version
Then, the "Watercolour" Version
Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-37757246113174413022022-06-27T20:03:00.000+05:302022-07-01T09:56:16.829+05:30Racing Car at Sunset My first attempt at original, digital art using the magic of Generative Adversarial Networks. Using the Colab notebook built by Hillel Wayne.Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-74556453040236524892022-04-26T11:10:00.001+05:302022-04-26T11:10:13.136+05:30Twitter as a DAO - decentralised autonomous organisationWhether it is really true or not, Twitter has often been accused, often in anecdotal terms, as being biased towards the “Left-Liberal” edge of the political spectrum. This point of view got a boost when Elon Musk launched a hostile take-over bid of the company under the banner of free-speech and a whole bunch of self declared Left-Libs claimed that they would leave Twitter and move to Instagram Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-21007589840376470352022-01-29T06:01:00.012+05:302023-08-10T14:50:10.498+05:30Storing Horoscope Charts as High Dimensional Data Documents in MongoDB IntroductionAstrology is based on the analysis and detection of correlated patterns. Causation and correlation are two different ways of studying related phenomena. Switching on an oven is the obvious cause for a cake to be baked but the consumption of flour, sugar, eggs, butter and electricity in the kitchen is strongly correlated to the appearance of a cake. These six events are part of aPrithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com1tag:blogger.com,1999:blog-6086247.post-6610864166902991022022-01-26T08:05:00.002+05:302022-01-26T08:05:13.301+05:30Republic Day 2022 Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-3222943665742893552022-01-01T08:00:00.037+05:302022-01-04T18:50:38.082+05:30Penta TantraFive Drivers of the emerging civilisationIt is always fascinating to speculate on the contours of the future, but perhaps it is easier to do so in terms of what might actually shape it. Rather than trying to define where we want to go or determine how to go there, let us instead try to determine who, or what, our drivers are and let them lead us into whatever it is that awaits us in the years, Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com1tag:blogger.com,1999:blog-6086247.post-38237039690221122962021-12-17T08:08:00.005+05:302021-12-17T08:08:53.229+05:30Data Science and the Metaverse Presentation made on the occasion of the Decade of Data Science Event held at the Park Hotel.
Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-3201739576549815232021-11-07T10:19:00.002+05:302021-11-07T10:19:15.640+05:30Metaverse Reloaded
Since Zuckerberg and Nadella is talking about the Metaverse, I thought I should do the same. After all, great minds think alike!Prithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-53785885027101147132021-10-31T10:01:00.006+05:302021-12-02T16:15:10.669+05:30ডু ইট ইয়োউরসেল্ফ D I Y শিক্ষা স্ট্র্যাটেজি জেনারেল স্ট্রিম থেকে প্রোগ্রামিং কেরিয়ারেভারতবর্ষে সবাই চায় ইঞ্জিনিইয়ারিং বা মেডিক্যাল কলেজে ভর্তি হতে কারণ এই পথে চাকরি বা রোজগারের সুযোগ খুব বেশি। কিন্তু সবার কপালে সেটা হয় না। কিছুটা মেধা, কিছুটা টিউশান বা গৃহশিক্ষক এর উপর খরচা করার ক্ষমতা আর কিছুটা সৌভাগ্য বসত বেশ কিছু ছাত্র এই লাইনে ঢুকে যায়। কিন্তু দেশের বেশির ভাগ ছেলে-মেয়েদের জেনেরাল স্ট্রিমে ফিজিক্স, কেমিস্ট্রি, ইতিহাস, ভূগোল, বটানিPrithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com1tag:blogger.com,1999:blog-6086247.post-42243045595036496222021-09-15T20:30:00.000+05:302021-09-17T11:21:18.088+05:30Engineers Day 15 September Celebrated Engineers Day by reaffirming my identity as a Mechanical Engineer and building this Mars Buggy with a kit from Ukraine Gears.Cost me about 4 hours of work and a very sore thumb. Wish I had a tool to press in the wooden piecesPrithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com0tag:blogger.com,1999:blog-6086247.post-41503922040839272712021-08-24T10:22:00.004+05:302021-08-24T10:22:41.946+05:30Crisis as a Catalyst / Women at WorkWe are surely aware of SaaS or Software as a Service but let us explore the intriguing concept of the Crisis as a Catalyst for Change.Y2K - 1999Those of us who are old enough to have been professionally active during the Y2K era, would recollect that industrialised societies, especially the US, were in a tizzy over how computer systems, both private and public, would collapse on 31 Dec 1999. ThisPrithwishttp://www.blogger.com/profile/14023204360522864496noreply@blogger.com1