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Subject: Science and Technology

  • Who are the Nihangs?

    The Patiala incident in which a group of Nihangs attacked a Punjab police officer has put the spotlight on the Nihangs.

    This newscard focuses on Nihang cult of Sikhism. Though in news for a different purpose, it is significant for prelims.

    Who is a Nihang?

    • Nihang is an order of Sikh warriors, characterized by blue robes, antiquated arms such as swords and spears, and decorated turbans surmounted by steel quoits.
    • Etymologically the word Nihang stems more from the Sanskrit word nihshank which means without fear, unblemished, pure, carefree and indifferent to worldly gains and comfort.
    • The word Nihang also occurs in a hymn in the Guru Granth Sahib, where it alludes to a fearless and unrestrained person.

    When was the order formed?

    • Formation of Nihang order can be traced back to the creation of the Khalsa by Guru Gobind Singh in 1699.

    How were Nihangs different from other Sikhs, and other Sikh warriors?

    • As per an account by the East India Company’s Colonel James Skinner (1778-1841), Khalsa Sikhs were divided into two groups.
    • Those who put on blue attire which Guru Gobind Singh used to wear at the time of battle and those who do not follow any restrictions on the colour of their dress.
    • Both of them follow the profession of soldiery and are brave without peer in the art of musketry and chakarbazi, and the use of quoits.
    • Nihangs observe the Khalsa code of conduct in its strictest sense.
    • They do not profess any allegiance to an earthly master. Instead of saffron they hoist a blue Nishan Sahib (flag) atop their shrines.

    What is their role in history?

    • Nihangs had a major role in defending the Sikh panth after the fall of the first Sikh rule (1710-15) when Mughal governors were killing Sikhs, and during the onslaught of Afghan invader Ahmed Shah Durrani (1748-65).
    • Nihangs also took control of the religious affairs of the Sikhs at Akal Takht in Amritsar.
    • They did not consider themselves subordinate to any Sikh chief and thus maintained their independent existence.
    • At Akal Takht, they held the grand council (Sarbat Khalsa) of Sikhs and pronounced the resolution (Gurmata) passed.
    • During Operation Bluestar in June 1984, some Nihangs, namely Ajit Singh Poohla, collaborated with the Punjab police to eliminate militants.

  • Meru Jatra Festival

    Odisha’s Ganjam district administration has banned the Meru Jatra festival and congregations related to it at temples on the occasion of Mahavishub Sankranti.

    Festive fairs in India are known for their age-old traditions and some historic background.  Meru Jatra is one of such fairs. We can expect a match the pairs question on such fairs.

    Meru Jatra

    • In Southern Odisha, the Meru Yatra festival is celebrated as the end of the month-long Danda nata dance festival.
    • Thousands of devotees gather at the Shakti Pitha shrine in the Taratarini Temple because it is one of the auspicious days during the Chaitra Yatra.
    • People from all over the state eat festive chhatua and drink Bel Pana to mark the occasion.

    What is Danda nata?

    • Danda as the name implies, is self-inflicted pain, which the danduas (people who participate in the festival) undergo to pay their obeisance to the lord Kali.
    • It is also a form of worshipping the lord Shiva and his consort Parvati.
    • The origin of the festival is generally traced to 8th and 9th AD after the decadence of Buddhism in Orissa.

  • Covid-19: Software vendors focus on big data, AI despite fall in IT spending

    The article discusses how COVID-19 has prompted the software companies to focus on technologies that are still in demand. The IT companies have started to focus on ways to leverage the potential of AI and the Big data to deal with the pandemic.

    Impact on IT companies and how they are planning to cope with it?

    • Fall in spending: Spending on information technology (IT) globally is expected to shrink by 3-4% by the end of 2020.
    • Impact: That would have a severe impact on hardware and slowdown in the software and service businesses.
    • How companies are planning to deal with the situation? Software vendors such as IBM, SAP Software Solutions and Microsoft Corporation plan to make use of emerging technologies to become more relevant to their customers.
    • IBM has created an AI platform ‘Watson Assistant for Citizens’ on its public cloud.
    • The platform helps citizens understand and respond to common questions about covid-19, commonly known as the novel coronavirus.
    • While the ongoing pandemic is having a dreadful impact on companies at scale, matured ones are taking a pause and rethinking their analytics approach.
    • Using data analysis to prepare contingency plan: Data science teams are being called into action to crunch petabytes of data and build best business models on trusted data for decision-makers to quickly prepare contingency plans.
    • This is where we are seeing enterprises using AI, machine learning, and natural language processing to mine the data and build predictive or prescriptive models in IBM Cloud Pack for Data.

    UPSC could ask question connecting the use of IT and its potential to deal with the pandemics. And it could also be other way round you can cite the example of use of IT in the health sector.

    Adoption of the AI by various sectors

    • The government and public service agencies as well as healthcare and research companies urgently need AI solutions and analytics as they are in a race to find a treatment for the deadly disease.
    • Other industries with high end-user touch-points like banks, insurance, retail, etc. are also in urgent need to use AI/ML-driven analytics and cognitive technologies to automate their communications, streamline predictions, decision making, etc.

    AI and Big data could be a game-changer across the various sectors, health being one of them. As among the buzzwords in technologie today UPSC could ask about AI and Big data.

    Covid-19 as an opportunity for the IT industry

    • The covid-19 crisis is an opportunity for IT vendors to build and improve on their capabilities on AI and big data.
    • Leveraging AI: They are also keeping an eye on emerging uses cases in AI for disease detection, tracking, and prevention.
    • Relatively smaller companies are also launching dedicated AI-based apps to assist people amid the covid-19 crisis.
    • Eka Software Solutions recently released ‘COVID-19 Risk Monitoring’, it help customers quickly gain visibility in supply chain risks by showing a company’s contract position across countries with reported cases of the virus.
    • Based on company data, the app instantly visualises contracts at risk and provides businesses with the ability to identify alternate suppliers to maintain business continuity.

    Conclusion

    As the epidemic is far from being tamed, various sectors are likely to feel the existential crisis and IT could be one of them. But they can also turn this crisis into an opportunity by leveraging the AI and Big data in tackling the epidemic at various levels.

  • What are Primordial Black Holes (PBH)?

    A scientist duo from Pune has studied primordial black holes that were born as a result of a tiny bump in the potential energy levels of the universe, at a time when it was expanding rapidly.

    Strange space events are known to be the favourites of UPSC 🙂

    Primordial Black Holes (PBH)

    • PBH are a hypothetical type of black hole that formed soon after the Big Bang
    • It is believed that they are formed as a result of collapsing radiations as opposed to the collapse of massive stars, which is the case of any other black holes.
    • PBH can be massively large as 3000kms or be extremely tiny like nucleus of an atom.

    What did the study conclude?

    • The study has confirmed that this marginal rise in potential energy resulted in birth of several PBHs and also emitted very powerful gravitational waves.
    • Approximately 14 billion years ago before the commencement of the Hot Big Bang phase, the very young universe was found to be active and expanding at a highly accelerated rate.
    • This exponential growth in its size was fuelled by the presence of uniform energy field and density as the universe passed through the Cosmic Inflation phase.
    • According to the scientists, as time passes, this uniform energy prevailing in the Inflation Field wanes out.
    • As a result, the universe resumes its normal decelerating rate.

    Expansion of universe

    • Gravity is normally attractive in nature. The PBH did undergo rapid expansion due to the Inflation field which contrarily possessed repulsive gravity.
    • This pushed the universe to expand at a much faster rate than normal.
    • The universe had expanded to nearly 10^27 times its original size, that too, within just fraction of a second by the time Cosmic Inflation phase concluded.
    • Thereafter, the remnant energy possessed by this gravitational force got converted mainly into photons (light) in addition to protons, electrons, neutrons and other particles.
    • As the universe continued to grow exponentially during the Cosmic Inflation phase, it sent across tiny quantum jitters.
    • These fluctuations, released in a specific fashion, when sufficiently large, slowly give birth to galaxies and stars. Among those that were significantly large, helped form PBHs.

     

  • What is Contact Tracing Technology?

    Global technology giants Apple and Google have announced that they are partnering on developing contact tracing technology to help governments and health authorities tackle the novel coronavirus pandemic.

    What did tech-giants announce?

    • Contact tracing is considered essential for bringing epidemics under control and is expected to help governments in relaxing lockdown orders.
    • The tech companies announced that they would build a comprehensive solution that includes application programming interfaces (APIs) and operating system-level technology to assist in enabling contact tracing.

    What is contact tracing?

    • The WHO defines contact tracing as the process of identifying, assessing, and managing people who have been exposed to a disease to prevent onward transmission.
    • Via contact tracing, people who have come into contact with a person carrying a disease are alerted and identified.

    Importance of contact tracing

    • Identifying people at the onset of symptoms and promptly isolating them reduces exposure to other persons, preventing subsequent EVD (Ebola Virus Disease) infections.
    • Additionally, prompt isolation and admission of the symptomatic person to a treatment facility decreases the delay to supportive treatment, which improves the likelihood of survival.

    How will the new technology by Google and Apple work?

    • Google and Apple are the developers of the Android and iOS platforms respectively, which together power most of the world’s smartphones.
    • Both companies will release application programming interfaces (APIs) that would enable interoperability between Android and iOS devices using apps from public health authorities.
    • The official apps will be available for users to download via their respective app stores, as per the press release.
    • When this step is realized, phone-based matching via official apps will help alert people if they have come in contact with someone diagnosed with COVID-19.

    Actual working

    • For this to work, COVID-19 patients would have to declare their status to the respective apps voluntarily.
    • Following this, all people whose Android/iOS smartphones were detected nearby such patients, would get notified.
    • This means the user will be notified even if he/she was around a stranger who has tested positive for the disease.

    Issues with contact tracing

    • Privacy, transparency, and consent are of utmost importance in this effort.
    • The tech giants should look forward to building this functionality in consultation with interested stakeholders.

    Note: How is our Aarogya Setu app different from the technology mentioned in the newscard?

  • [pib] Diverse names of harvesting festival

    The nation today celebrates the festival of harvest, Vaishakhi under diverse names. Vaisakhi celebrates the solar new year, based on the Hindu Vikram Samvat calendar.

    Vaishakhi

    • Vaisakhi also known as Baisakhi is a historical and religious festival in Sikhism.
    • It is usually celebrated on 13 or 14 April every year which commemorates the formation of Khalsa panth of warriors under Guru Gobind Singh in 1699.
    • In Sikhism, Vaisakhi marks the start of the Khalsa in 1699 by Guru Gobind Singh.

    Other names

    • Maha Bishuba Pana Sankranti (Odisha)
    • Bikhu or Bikhauti (Kumaon region of Uttarakhand)
    • Bisu (Tulu region of Karnataka)
    • Bohag Bihu (Assam)
    • Puthandu (Tamil Nadu)
    • Vishu (Kerala)

    Note: Harvest festivals are significant events. Do try to remember their names as one can expect a match the pair question.

  • Zoonotic Diseases: Medical Sciences Involved & Preventive Measures

  • TB diagnostic kit ‘Truenat’

    ‘Truenat’, a diagnostic machine used to test drug-resistant TB has now been approved by Indian Council of Medical Research (ICMR) for conducting Covid-19 tests.

    Truenat

    • The Truenat TB test is a new molecular test that can diagnosis TB in one hour as well as testing for resistance to the drug rifampicin.
    • This test for TB uses a sputum sample taken from each patient.
    • It is a small battery operated device which requires minimal training and is usable even in smaller settings such as the Primary Health Centre.
    • It uses a chip-based technology and takes just up to 60 minutes for a test, screening or confirmatory.

  • Assamese Gamosa 

    The COVID-19 pandemic has made the Assamese gamosa, a decorative cotton towel, evolve from memento to mask.

    Gamosa

    • The Gamosa is an article of significance for the people of Assam.
    • It is generally a white rectangular piece of cloth with primarily a red border on three sides and red woven motifs on the fourth (in addition to red, other colors are also used).
    • Although cotton yarn is the most common material for making/weaving gamosas, there are special occasion ones made from Pat silk.

    Types

    • Assam has traditionally had two types of gamosas the uka and the phulam.
    • The uka or plain kind is used to wipe sweat or dry the body after a bath.
    • The phulam is decorated with floral motifs to be gifted as a memento or during festivals such as Bihu.

    Significance

    • Cultural historians say the gamosa came to symbolise Assamese nationalism in 1916 when the Asom Chatra Sanmilan, a students’ organisation was formed, followed by the Assam Sahitya Sabha, a literary body.
    • Wearing the phulam gamosa around the neck became a standard for cultural identity.
    • Thegamosa’s graph as a symbol of protest rose during the anti-foreigners Assam Agitation from 1979 to 1985.
    • The gamosa staged a comeback as a political statement with the protests against the Citizenship (Amendment) Act from mid-December 2019.

  • [pib] Chitra Acrylosorb Secretion Solidification System

    Scientists at Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST) have designed and developed a highly efficient superabsorbent material for liquid respiratory and other body fluid solidification and disinfection for the safe management of infected respiratory secretions.

     Chitra Acrylosorb Secretion Solidification System

    • It is a highly efficient superabsorbent material for liquid respiratory and other body fluid solidification and disinfection.
    • AcryloSorb can absorb liquids at least 20 times more than its dry weight and also contains a decontaminant for in situ disinfection.
    • Containers filled with this material will immobilize the contaminated fluid by solidifying it (gel-like), thus avoiding spillage and will also disinfect it.
    • The canister containing the solidified waste canister can then be decomposed as all other biomedical waste by incineration.

    How it works?

    • In the developed system, suction canisters, disposable spit bags have been designed with “AcryloSorb” technology.
    • They are lined inside with the AcryloSorb material.
    • The AcryloSorb suction canisters will collect the liquid respiratory secretions from ICU patients or those with copious secretions treated in the wards.
    • The container will be spill-proof and can be sealed after use, making it safe and fit for disposal through the usual incineration system for biomedical wastes.

    Significance of Acrylosorb

    • Sealable and disposable spit bags can be provided for solidifying the sputum and saliva of ambulant patients with respiratory infections, which can then be incinerated.
    • Thus it reduces the risk for the hospital staff, the need for personnel for disinfecting and cleaning the bottles and canisters for reusing them and makes the disposal safer and easier.