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Art & Culture Science & Tech

Mercury Superconductivity

  • This news card is an excerpt from the original TH article.
  • A superconductor is a substance that offers no resistance to electric current when it cools below a critical temperature.
  • Aluminum, magnesium diboride, niobium, copper oxide, yttrium barium, and iron pnictides are some well-known superconductors.

What causes mercury to become a superconductor?

  • Heike Kamerlingh Onnes, a Dutch physicist, discovered superconductivity in mercury in 1911.
  • He discovered that solid mercury offers no resistance to the flow of electric current at a very low temperature, known as the threshold temperature.

What makes mercury capable of superconductivity?

  • The Bardeen-Cooper-Schrieffer (BCS) theory provides an answer.
  • Mercury was classified as a conventional superconductor by scientists because its superconductivity could be explained by Bardeen-Cooper-Schrieffer (BCS) theory concepts.
  • While the BCS theory has been used to explain superconductivity in a variety of materials, scientists have never fully understood how it works in mercury, the oldest superconductor.
  • The researchers used cutting-edge theoretical and computational approaches to discover that all physical properties relevant to conventional superconductivity in mercury are anomalous in some way.

How does BCS explain it?

  • The vibrational energy released by the grid of atoms in BCS superconductors encourages electrons to pair up, forming so-called Cooper pairs.
  • Below a certain temperature, these copper pairs can move like water in a stream, with no resistance to their flow.
  • The group’s calculations provided a clearer picture of how superconductivity emerges in mercury by including previously overlooked factors.
  • For example, by accounting for the relationship between an electron’s spin and momentum, the researchers were able to explain why mercury has such a low threshold temperature (around -270°C).

Coulomb repulsion and Mercury

  • Similarly, the researchers discovered that one electron in each pair of mercury electrons occupied a higher energy level than the other.
  • This detail is said to have reduced the Coulomb repulsion (like charges repel) between them, fostering superconductivity.
  • As a result, the researchers have explained how mercury becomes a superconductor below its critical temperature.
  • Their methods and findings imply that we may have overlooked similar anomalous effects in other materials, resulting in previously unknown ones that can be exploited for new and improved real-world applications.
Source: https://www.thehindu.com/sci-tech/science/a-clear-picture-of-how-mercury-becomes-a-superconductor/article66346400.ece
Categories
Art & Culture Science & Tech

Manipur’s Ancient Polo: Sagol Kangjei

  • The modern-day Polo game, Sagol Kangjei, is thought to have originated in Manipur.
  • Sagol Kangjei Modern polo is said to have evolved from Sagol Kangjei, a Manipur-based sport.
  • Players in this game ride horses, specifically Manipur Ponies, which have been mentioned in records dating back to the 14th century.

Manipur Pony Breed Preservation

  • The Manipur Pony is one of India’s five recognized equine breeds, and it holds significant cultural significance for Manipuri society.
  • For centuries, the pony has been essential to Manipuri society for its socio-cultural association.
  • Its ancestors are unknown, with one source claiming Tibetan ponies as ancestors and another claiming a cross between a Mongolian wild horse and an Arabian.
  • The number of Manipur Ponies was 1,898 in the 17th Quinquennial Livestock Census in 2003, but it fell to 1,101 in the 19th Quinquennial Livestock Census in 2012.
Source: https://indianexpress.com/article/explained/explained-culture/sagol-kangjei-ancient-polo-of-manipur-played-manipur-pony-8365959/
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Art & Culture Science & Tech

Satyendra Nath Bose:  129th birthday

Bose, who was born on January 1, 1894, worked with Einstein to develop what is now known as the Bose-Einstein statistics. We look at the illustrious legacy and stellar achievements of the Indian physicist.

Satyendra Nath Bose

  • Born on January 1, 1894, Bose grew up and studied in Kolkata, where he established himself as a model academician.
  • Every day before going to work, his father, an accountant in the Executive Engineering Department of the East Indian Railways, gave him an arithmetic problem to solve, which sparked Bose’s interest in mathematics.
  • He began studying for a Bachelor of Science degree at the Presidency College at the age of 15, and later completed his MSc in Mixed Mathematics in 1915.

Career as researchers

  • It was a difficult time for Indian researchers because World War I had broken out, and European scientific journals visited India only infrequently.
  • Furthermore, because most research papers were not available in English, Bose and Saha had to learn scientific terms in German and French in order to read published works.
  • However, the new skill proved useful when they published English translations of Albert Einstein’s special and general relativity papers in 1919.
  • Bose was appointed as a Reader in Physics at the University of Dhaka two years later. He made his most significant contributions to physics here.

Association with Einstein

  • In 1924, Bose wrote to Albert Einstein about his quantum mechanics breakthrough.
  • He claimed to have derived Planck’s law for black body radiation (the spectrum of light emitted by any hot object) without using classical electrodynamics.
  • Impressed by Bose’s discoveries, Einstein not only arranged for the paper’s publication but also translated it into German.
  • This acclaim propelled Bose to fame and glory.

Breakthrough in the invention of the Boson

  • He later collaborated with Einstein to develop what is now known as the Bose-Einstein statistics.
  • In his honor, any particle that obeys the Bose-Einstein statistics is now referred to as a boson.
  • On the occasion of his 129th birthday, we look back at the Indian physicist’s illustrious legacy and stellar achievements. 
Source: https://indianexpress.com/article/explained/explained-sci-tech/birth-anniversary-satyendra-nath-bose-indian-scientist-achievements-8355163/
Categories
Art & Culture History

Madan Mohan Malaviya and BHU

The archive of ‘Mahamana’ Madan Mohan Malaviya, the principal founder of the Banaras Hindu University (BHU), was recently unveiled.

Madan Mohan Malaviya, who was he?

  • Malaviya was born in Allahabad on December 25, 1861.
  • He was a great Indian educationist and freedom fighter, notable for his role in Indian independence and support for Hindu nationalism.
  • From 1919 to 1938, he was the Vice-Chancellor of Banaras Hindu University (BHU), which he founded in 1916.
  • The University has approximately 12,000 students studying in fields such as the arts, sciences, engineering, and technology.

Political affiliations

  • Malaviya rose through the ranks and was elected president four times: in 1909 (Lahore), 1918 (Delhi), 1930 (Delhi), and 1932 (Delhi) (Calcutta).
  • He served in Congress for nearly 50 years.
  • He was an early leader of the Hindu Mahasabha, helping to find it in 1906.
  • He was a successful legislator and social reformer who served on the Imperial Legislative Council for 11 years (1909–20).
  • In the freedom struggle, he stood between the Liberals and the Nationalists, the Moderates and the Extremists, as Gokhale and Tilak’s followers were known.
  • When Mahatma Gandhi launched the Salt Satyagraha and the Civil Disobedience Movement in 1930, he participated and risked arrest.

Literary associations

He remained the Hindustan Times’ Chairman from 1924 to 1946.

He was involved with magazines including the-

  • Hindi language weekly, the Abhyudaya (1907)
  • English-language daily the Leader of Allahabad (1909) and
  • Hindi dailies Aaj
Source: https://www.thehindu.com/news/national/archive-on-banaras-hindu-university-founder-madan-mohan-malaviya-takes-shape-after-decade-long-effort/article66325073.ece
Categories
Art & Culture History

Veer Bal Diwas

  • The Prime Minister recently addressed the first ‘Veer Baal Diwas’ commemoration to honour the courage of the Sahibzades, four sons of Guru Gobind Singh, the last Sikh guru.
  • The Prime Minister declared this Veer Baal Diwas on the occasion of Sri Guru Gobind Singh’s Prakash Parv on January 9, 2022.
  • Guru Gobind Singh founded the Khalsa community and was the tenth Guru of the Sikhs.
  • It commemorates the day when Sahibzada Zorawar Singh and Sahibzada Fateh Singh were martyred for the country at the ages of 6 and 9, respectively.

The legend of Sahibzades

  • The term “Sahibzada” means “son” in Punjabi and refers to the four sons of Guru Gobind Singh, the tenth Sikh Guru.
  • The Sacrificial Week is observed from December 21 to 27, in memory of the four Sahibzadas who made sacrifices for the protection of Sikhism and Hinduism.
  • Sahibzada Ajit Singh, Jujhar Singh, Zorawar Singh, and Fateh Singh were martyred while defending their religious beliefs from forced conversion.

Their martyrdom: A backgrounder story

  • Guru Gobind Singh and his family left the fort of Sri Anandpur Sahib on the 20th and 21st of December 1704 to fight the Aurangzeb invasion.
  • The elder sons, Ajit Singh and Jujhar Singh, remained with Guru ji, while the younger sons, Zorawar Singh and Fateh Singh, stayed with Mata Gujri ji.
  • Subedar Wazir Khan of Sirhind later arrested the two Sahibzades and lured them into religious conversion.
  • Finally, it was announced that they would be elected in the living walls.
  • The remaining two sahibzades were killed in the battle of Chamkaur (1705).

Implications of their martyrdom

  • When Guruji learned of this, he sent Aurangzeb a zafarnama (victory letter) in which he warned him that the Khalsa Panth was ready to destroy his empire.
  • Baba Banda Singh Bahadur exacted vengeance on Guruji’s Sahibzadas.
  • He punished Wazir Khan for his actions in Sirhind and established Sikh hegemony throughout the region.
  • As a result of this sacrifice, a large Sikh empire rose to prominence under the leadership of Maharaja Ranjit Singh.

A watershed moment in Indian History

  • This event is significant in Indian history, and the anniversary of their martyrdom is remembered and commemorated with both vigor and sadness.
  • The names of the Sahibzades are reverently preserved and remembered each time an Ardas (prayer of supplication) is recited in a congregation or privately by an individual.
Source: https://www.hindustantimes.com/india-news/against-aurangzeb-s-terror-guru-gobind-ji-pm-modi-at-veer-bal-diwas-event-101672044444048.html
Categories
Art & Culture

GI Tag in the News in Joynagar Moa

Joynagar Moa, a popular Bengal sweet, has had its Geographical Indication (GI) status extended for another ten years.

Joynagar Moa

  • The moa is a popped-rice ball that is held together with fresh date-palm jaggery, which is extracted from the beginning of December to the end of February.
  • Its production is so closely associated with Joynagar, a settlement on the outskirts of Kolkata, that it was granted the Geographical Indication of Joynagar Moa in 2015.

How is it created?

  • A moa is made from khoi (puffed rice). The best are made with khoi from the rice variety kanakchur.
  • It contains cardamom and the legendary nolen gur from Bengal (a liquid jaggery made from date palms and found only in winter).
Source: https://www.thehindu.com/news/cities/kolkata/for-the-first-time-in-its-history-joynagar-moa-being-exported/article33625025.ece
Categories
Art & Culture Science & Tech

World Ayurveda Congress: Integrating Traditional and Modern Medicine

While speaking at the World Ayurveda Congress 2022 (WAC) earlier this month, Prime Minister Narendra Modi praised the recent growth of traditional medicine (TM), particularly Ayurveda. Noting the lag in evidence despite considerable research, he gave a clarion call “to bring together medical data, research, and journals and verify claims (benefit) using modern science parameters”.

About World Ayurveda Congress (WAC)

  • The World Ayurveda Congress (WAC) is a platform established by the World Ayurveda Foundation to spread Ayurveda in its true sense around the world.
  • Platform for bringing together various stakeholders in medicine: The World Ayurveda Congress (WAC) is a forum for Ayurvedic practitioners, medicine manufacturers, enthusiasts, and academics to network.
  • What is the mandate? The World Ayurveda Congress (WAC) & Arogya Expo tracks progress, initiates missions, and collects feedback.

World Ayurveda Congress (WAC), 2022

  • 9th edition of WAC held at Panjim, Goa: The 9th edition of World Ayurveda Congress (WAC) & Arogya Expo was organized at PANJIM, GOA.
  • Organized by the Ministry of AYSUSH on the basis of the whole-government approach (WGA): The WAC on the ‘Whole Government Approach’ (WGA) organised by the Ministry of AYUSH to foster and strengthen the research ecosystem for AYUSH systems.
  • WSA: The WGA concept is consistent with the “Whole System Approach” (WSA). WSA entails the integrated and network participation of multiple stakeholders (including patients and the community) in order to achieve better solutions (treatment outcomes) in a difficult and complex situation. In the current context, IM is an important component of WSA.Participation: More than 40 countries and all Indian states actively participated in the event.
  • PM’s vision: To transform the country’s healthcare system and create a healthy society, it is necessary to think holistically and integrate Traditional Medicine (TM) and modern medicine systems (MM).

World Ayurveda Foundation (WAF)

  • WAF’s mission: WAF is a 2011 initiative founded by Vijnana Bharati aimed at global Ayurvedic propagation.
  • Objective and fundamental principle: The core principles of WAF’s objectives are global scope, propagation, and encouragement of all scientific and Ayurvedic activities.
  • Areas of Concentration: The broad latitudes of focus at WAF are research support, health-care programmes through camps, clinics, and sanatoriums, documentation, organisation of study groups, seminars, exhibitions, and knowledge initiatives to popularise Ayurveda in the far corners of the world.

Traditional Medicine

  • According to WHO: The WHO describes traditional medicine as the total sum of the “knowledge, skills and practises indigenous and different cultures have used over time to maintain health and prevent, diagnose and treat physical and mental illness”.
  • The culmination of several ancient practises: Its scope includes both ancient and modern practises such as acupuncture, ayurvedic medicine, and herbal mixtures.
  • Traditional medicine is used by the following percentage of people: According to WHO estimates, traditional medicine is used by 80% of the world’s population.

Traditional medicine in India

  • It is frequently defined as including practises and therapies such as Yoga, Ayurveda, and Siddha that have historically been part of Indian tradition, as well as others such as homoeopathy that have become part of Indian tradition over time.
  • Ayurveda and yoga are widely practised throughout the country.
  • The Siddha system is primarily practised in Tamil Nadu and Kerala.
  • The Sowa-Rigpa System is primarily practised in Leh-Ladakh and other Himalayan regions such as Sikkim, Arunachal Pradesh, Darjeeling, Lahaul, and Spiti.

How can TM modalities (such as Ayurveda or homoeopathy) scientifically align with MM to produce better results?

  • A newly established Department of IM in NIMHANS has continued to show remarkable success in treating difficult neurological diseases with a team of Ayurvedic and MM physicians and a carefully planned and monitored IM strategy.
  • CRD initiatives: The Centre for Rheumatic Diseases (CRD) model of modern rheumatology includes critical elements of TM and Ayurveda, which have shown unequivocal evidence in CRD research projects.
  • Based on other protocols, evaluate: Several controlled protocols-based evaluations of standardised Ayurvedic drugs and other TM modalities (such as diet, exercise, yoga, and counselling) in arthritis patients were completed, often in conjunction with MM.
  • Long-term clinical improvement in patients with active Rheumatoid arthritis (RA): RA is a crippling lifelong autoimmune condition that is mostly seen in women and is widely acknowledged as difficult to treat. Over several years, supervised and monitored IM intervention (including Ayurvedic drugs) demonstrated consistently superior and sustained clinical improvement in patients with active RA.

Relationship between AYUSH and Modern medicines

  • Ayurveda, Homeopathy, Unani, Siddha, and other TM are examples of AYUSH systems.
  • AYUSH systems and MM appear to differ dramatically in several ways.
  • Modern scientific research in Ayurveda frequently contradicts classical Ayurveda.
  • Unlike MM, TM is based on a personalised approach. MM is primarily a reductionist.
  • AYUSH’s ambitious futuristic TM and IM programme is well-intended and headed in the right direction.

@the end

TM and Ayurveda must adapt to the new world order, which has recently changed dramatically. It is reasonable to expect that MM and TM will continue to be used to treat a variety of medical disorders and altered health states in their current form. However, evidence-based medicine will be the new mantra. Furthermore, informed and empowered patients and people will continue to make sound decisions.

Source: https://www.thehindu.com/news/national/kerala/nmc-bats-for-integration-of-modern-medicine-with-ayush/article65918077.ece
Categories
Art & Culture Culture of India

Dhokra Art of West Bengal

  • The art of Dhokra, named after a nomadic tribe called ‘Dhokra Damar,’ was originally found in the region from Bankura to Dariapur in Bengal, as well as across the metal-rich regions of Odisha and Madhya Pradesh.
  • It is still practised today in the tribal belt of modern-day Jharkhand, West Bengal, Odisha, Chhattisgarh, and Telangana.
  • The Dhokra artists begin by creating a wax model, which is then replaced with molten metal, either brass or bronze, via a lost-wax metal cast.

Dhokra

  • Dhokra is a metal cast art form that employs the age-old lost-wax casting technique.
  • This art is said to be the first of its kind to use non-ferrous metals such as copper and its alloys such as brass (a mix of zinc and copper) or bronze (tin and copper) that do not contain iron.
  • It employs the annealing process, in which a metal is heated to extremely high temperatures and then allowed to cool slowly.
  • The casting is done in two ways: the traditional hollow-casting method and solid casting. Telangana uses solid casting, whereas Central and Eastern India uses hollow casting.

Symbolism of Dhokra

  • Dhokra, which has its origins in ancient civilisations, represents a primitive lifestyle and people’s beliefs dating back to the age of hunting.
  • This is why elephants, owls, horses, and tortoises are frequently depicted in Dhokra art.
  • The elephant represents wisdom and masculinity; the horse represents motion; the owl represents prosperity and death; and the tortoise represents femininity.
  • These iconic symbols have stories in Hindu mythology as well.
  • The world is thought to be supported by four elephants standing on the shell of a tortoise.
  • The tortoise, regarded as Lord Vishnu’s avatar, carries the world on his back, supporting the earth and the sea.
Source: https://www.thehindu.com/news/national/other-states/bengal-village-lalbazar-a-hub-for-dokra-metalcraft-basks-in-the-lustre-of-metal/article66288504.ece
Categories
Art & Culture Science & Tech

Reason behind why banyan, peepal trees live longer?

From leaf tissue samples, scientists from the Indian Institute of Science Education and Research (IISER) Bhopal discovered that the entire genome sequencing of banyan and peepal had been completed.

Multiple Signs of Adaptive-evolution (MSA)

  • Researchers found 23,929 coding gene sequences in peepal and 25,016 in banyan.
  • Around 0.8 million years ago, both trees experienced a population decline, which resulted in the emergence of genes showing several evidence of adaptive evolution (MSA).
  • The MSA genes have a major role in the development of the banyan’s roots, pollen tubes, seeds, leaves, cell wall synthesis, metabolism, and other developmental activities.

How MSA prolongs the life?

  • The gene families for disease resistance and other stress tolerance showed strong expression and expansion, which helped explain the long longevity of the plants.
  • The peepal’s MSA genes are involved in governing blooming time, metabolism, intracellular transport, seed and pollen tube growth, lateral organ development, and root cell elongation.
  • The study focused on 19 MSA genes in peepal and 17 MSA genes in banyan, which are mostly connected to well-developed morphology and tolerance to infections, oxidative stress, and drought.
  • Auxin signalling genes that control plant senescence and auxin signalling genes that control plant growth both exhibited evolutionary fingerprints.
  • Additionally, in banyan and peepal trees, respectively, 88% and 89% of the MSA genes are linked to resistance to biotic and abiotic stress responses.
  • As a result, these plants are better able to resist environmental obstacles.
Categories
Art & Culture

What Ambedkar stated on Buddhism ‘being superior than Marxism’?

Even though Ambedkar’s opinions on Buddhism’s superiority to other religions are well known, he also thought that Marxism, a theory that is often associated with rejecting religion, was inferior to the Buddha’s way.

Marxist view of religion

  • Marx believed that by fostering false consciousness, religion acted as a conservative factor that halted social evolution.
  • Marx reportedly remarked, “Religion is the people’s opium. The oppressed creature’s lament, the heart of a heartless planet, and the soul of our soulless circumstances are all expressed in it.
  • The ultimate goal of Marxism is to create a classless society on a global scale.

Dr. Ambedkar’s view: Buddhism vs Marxism

  • Marxism and Buddhism, according to Ambedkar, both aim to create a society that is fair and happy.
  • Marx’s methods are inferior than those advocated by Buddha.
  • Marx was simply modern and Buddha was classical.
  • Ambedkar writes that the Marxists will change their mindset if they hold back their prejudices and study the Buddha and what he stood for.

Similarities

Ambedkar summarises the fundamental principles of Buddhism and Marxism in a series of clear bullet points before pointing out their commonalities.

Dr. Ambedkar outlines important points for Buddhism:

  • The role of religion is to rebuild the world and bring happiness to it, not to explain its beginning or end; Private property ownership gives power to one class and misery to another; It is essential for the welfare of society that this misery be removed by removing its cause; and All people are equal.
  • Marx’s legacy, according to him, “is a residue of fire”: The purpose of philosophy is to reconstruct the world, not to waste time explaining how the world came into being; Private property ownership gives one class power and another class sorrow through exploitation; It is necessary for the good of society that the sorrow be removed by abolishing private property.

Abolition of private property: Buddhism

  • Buddhism’s dedication to the abolition of private property, according to Dr. Ambedkar, is demonstrated by the way its “Bhikshus” give up all material possessions.
  • He claims that the regulations governing Bhikhshus possessing property or things are “much more stringent than those found in Russia’s communism.”
  • The Buddha had established a path for followers in order to create a joyful and just society.
  • The Buddha’s strategy was to persuade a man by altering his moral outlook so that he would choose to walk the path voluntarily.

Difference: Violent means

  • The Communists use methods that are as direct, succinct, and quick. They are (2) Proletariat-led dictatorship and (1) violence.
  • The parallels and contrasts between Buddha and Karl Marx are now apparent.
  • The variations relate to means. Both have a same conclusion.
  • Buddha was a democracy, according to India’s Constitution, which serves as its foundation.
  • In terms of dictatorship, the Buddha was against it. Ambedkar writes that the man was a democrat both at birth and at death.
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