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S. K. Sikka
Satinder Kumar Sikka (22 November 1941 – 21 June 2023) was an Indian nuclear condensed matter physicist, crystallographer and a former Scientific Secretary to the Principal Scientific Advisor to the Government of India. He was known to have played a crucial role, along with Raja Ramanna, Rajagopala Chidambaram and Basanti Dulal Nagchaudhuri, in the design and development of a hydrogen bomb by India, which was tested at the Pokhran Test Range in May 1998, under the code name, Operation Shakthi. He was also involved in the Smiling Buddha tests, conducted in 1974. He was awarded the fourth highest civilian award of the Padma Shri, by the Government of India, in 1999. Biography Satinder Kumar Sikka was born in Jhang Maghiana ( now in Pakistan )in undivided India on 22 November 1942, three months after the Quit India Movement was launched. He graduated (BSc) from the Punjab University in 1960 after which he started his career by joining the Bhabha Atomic Research Centre Tra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jhang Maghiana
Jhang ( Punjabi / ; ; ) is the capital city of Jhang District in central Punjab, Pakistan. Situated on the east bank of the Chenab river, it is the 13th most populous city of Pakistan. Etymology The historical name of the city and district is Jhang Sial, literally meaning the "terrain of the Sials". The word Jhang is derived from the Sanskrit word ''jāṅgala'' which means rough or forested terrain; the word Jungle also shares the same root. History The city of Jhang was built in 1288 by Rai Sial, a chief of the Sial tribe. The Sial tribe ruled this region ever since then until the last Sial ruler of Jhang, Ahmad Khan (1812 to 1822) was defeated by Ranjit Singh after fierce fighting. Under the collective rule of the Sial Khans of Jhang and other Sial sub-tribes such as the Rajbana and Bharwana, in the zenith of their power, the Sial territory of Jhang extended up to the Muzafargarh boundary in the south, and the entirety of Chiniot, Kamalia and Kabirwala . The terr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pokhran Test Range
Pokhran (official spelling Pokaran; ) is a town and a municipality located 112 km east of Jaisalmer city in the Jaisalmer district of the Indian state of Rajasthan. It is situated in the Thar Desert region. Surrounded by rocks, sand and five salt ranges, the word "Pokaran" (पोकरण) means "place surrounded by five salt-ranges" in Rajasthani. The site for India's first and second underground nuclear weapon test is near Pokhran. Geography Pokhran is located 112 km east of Jaisalmer city, 172 km northwest of Jodhpur and 225 km south of Bikaner by road. It lies on Jaisalmer to Jodhpur railway line. It is situated at and has an average elevation of 233 metres (764 feet). It has arid climate as it lies in the Thar Desert and receives a little rain in the monsoon months July to September. Pokhran has extreme climate. It has extremely hot and dry summers from April to June though monsoon months are also very hot. The temperature in summer ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Union Government Of India
The Government of India (ISO: Bhārata Sarakāra, legally the Union Government or Union of India or the Central Government) is the national authority of the Republic of India, located in South Asia, consisting of 36 states and union territories. The government is led by the president of India (currently ) who largely exercises the executive powers, and selects the prime minister of India and other ministers for aid and advice. Government has been formed by the The prime minister and their senior ministers belong to the Union Council of Ministers, its executive decision-making committee being the cabinet. The government, seated in New Delhi, has three primary branches: the legislature, the executive and the judiciary, whose powers are vested in bicameral Parliament of India, Union Council of Ministers (headed by prime minister), and the Supreme Court of India respectively, with a president as head of state. It is a derivation of the British Westminster system, and has a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Condensed Matter Physics
Condensed matter physics is the field of physics that deals with the macroscopic and microscopic physical properties of matter, especially the solid and liquid State of matter, phases, that arise from electromagnetic forces between atoms and electrons. More generally, the subject deals with condensed phases of matter: systems of many constituents with strong interactions among them. More exotic condensed phases include the superconductivity, superconducting phase exhibited by certain materials at extremely low cryogenic temperatures, the ferromagnetic and antiferromagnetic phases of Spin (physics), spins on crystal lattices of atoms, the Bose–Einstein condensates found in ultracold atomic systems, and liquid crystals. Condensed matter physicists seek to understand the behavior of these phases by experiments to measure various material properties, and by applying the physical laws of quantum mechanics, electromagnetism, statistical mechanics, and other theoretical physics, physic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shock Wave
In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like an ordinary wave, a shock wave carries energy and can propagate through a medium, but is characterized by an abrupt, nearly discontinuous, change in pressure, temperature, and density of the medium. For the purpose of comparison, in supersonic speed, supersonic flows, additional increased expansion may be achieved through an expansion fan, also known as a Prandtl–Meyer expansion fan. The accompanying expansion wave may approach and eventually collide and recombine with the shock wave, creating a process of destructive interference. The sonic boom associated with the passage of a supersonic aircraft is a type of sound wave produced by Wave interference, constructive interference. Unlike solitons (another kind of nonlinear wave), the energy and speed of a shock wave alone dissipates relatively quickly with distan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
X-ray Crystallography
X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to Diffraction, diffract in specific directions. By measuring the angles and intensities of the X-ray diffraction, a crystallography, crystallographer can produce a three-dimensional picture of the density of electrons within the crystal and the positions of the atoms, as well as their chemical bonds, crystallographic disorder, and other information. X-ray crystallography has been fundamental in the development of many scientific fields. In its first decades of use, this method determined the size of atoms, the lengths and types of chemical bonds, and the atomic-scale differences between various materials, especially minerals and alloys. The method has also revealed the structure and function of many biological molecules, including vitamins, drugs, proteins and nucleic acids such as DNA. X-ray crystall ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neutron Diffraction
Neutron diffraction or elastic neutron scattering is the application of neutron scattering to the determination of the atomic and/or magnetic structure of a material. A sample to be examined is placed in a beam of Neutron temperature, thermal or cold neutron radiation, neutrons to obtain a diffraction pattern that provides information of the structure of the material. The technique is similar to X-ray diffraction but due to their different scattering properties, neutrons and X-rays provide complementary information: X-Rays are suited for superficial analysis, strong x-rays from synchrotron radiation are suited for shallow depths or thin specimens, while neutrons having high penetration depth are suited for bulk samples.Measurement of residual stress in materials using neutrons IAEA, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mumbai University
University of Mumbai is a public state university in Mumbai. It is one of the largest university systems in the world with over 549,000 students on its campuses and affiliated colleges. , the university had 711 affiliated colleges. It was established in 1857 following a dispatch from Sir Charles Wood, President of the Board of Control, to Governor-General Lord Dalhousie. There are courses available covering science, commerce and the arts. History Wood's despatch, drafted by Sir Wood in 1854, advocated a range of educational reforms in India, including the establishment of universities in major Indian cities. As such, the University of Bombay was established in 1857 after the presentation of a petition from the Bombay Association to the imperial Government of India. The University of Mumbai was modelled on similar universities in the United Kingdom, specifically the University of London. The first departments established were the Faculty of Arts at Elphinstone College in 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bhabha Atomic Research Centre
The Bhabha Atomic Research Centre (BARC) is India's premier nuclear research facility, headquartered in Trombay, Mumbai, Maharashtra, India. It was founded by Homi Jehangir Bhabha as the Atomic Energy Establishment, Trombay (AEET) in January 1954 as a multidisciplinary research program essential for India's nuclear program. It operates under the Department of Atomic Energy (DAE), which is directly overseen by the Prime Minister of India. BARC is a multi-disciplinary research centre with extensive infrastructure for advanced research and development covering the entire spectrum of nuclear science, chemical engineering, material sciences and metallurgy, electronic instrumentation, biology and medicine, supercomputing, high-energy physics and plasma physics and associated research for Indian nuclear programme and related areas. BARC's core mandate is to sustain peaceful applications of nuclear power, nuclear energy. It manages all facets of nuclear power generation, from the theore ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Punjab University, Chandigarh, India
Panjab University (PU) is an Indian Collegiate university, collegiate public state university located in Chandigarh. Funded through both Punjab, India, State and Government of India, Union governments, it is considered a state university (India), state university. It traces its origins to the University of the Punjab in Lahore, which was founded in 1882. After the partition of India, the university was established on 1 October 1947, and called East Punjab University. Initially housed primarily at a cantonment in Solan, Himachal Pradesh, Solan, it later relocated to a newly built campus in Chandigarh, and was renamed Panjab University. It is accredited by National Assessment and Accreditation Council, NAAC A++ grade. The university has 78 teaching and research departments and 10 centres/chairs for teaching and research at the main campus located at Chandigarh. It has List of Colleges affiliated to Panjab University, Chandigarh, 201 affiliated colleges spread over the eight distri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
