paragraph_text: A Marx generator is an electrical circuit first described by Erwin Otto Marx in 1924. Its purpose is to generate a high-voltage pulse from a low-voltage DC supply. Marx generators are used in high-energy physics experiments, as well as to simulate the effects of lightning on power-line gear and aviation equipment. A bank of 36 Marx generators is used by Sandia National Laboratories to generate X-rays in their Z Machine.

paragraph_text: Brosl Hasslacher obtained a bachelor's in physics from Harvard University in 1962. He did his Ph.D. with D.Z. Freeman and C.N. Yang at the State University of New York at Stony Brook. After having several postdoctoral and research positions at Institute for Advanced Study in Princeton, New Jersey, Caltech, ENS in Paris, and CERN, he settled for more than twenty years at the Theoretical Division of the Los Alamos National Laboratory. There he was involved in theoretical, experimental, and numerical work in theoretical physics, high-energy physics, nonlinear dynamics, fluid dynamics, nanotechnology, and robotics.

paragraph_text: Franco Bassani graduated cum laude in physics from the University of Pavia in November 1952. After two years as a researcher at the Italian National Research Council in Milan (with Professors Piero Caldirola and Fausto Fumi), he moved to the United States, where until 1956 he worked with Frederick Seitz at the University of Illinois. On his return to Italy he served as Adjunct Professor at the Department of Physics, University of Palermo (1956–1957) and Pavia (1957–1959). Five years as an Associate Physicist at Argonne National Laboratory in Illinois marked a second American parentheses. Subsequently, he served as Professor of Theoretical Physics of the University of Messina (1964–1966) and Pisa (1966–1969), and professor of Solid State Physics at the University of Rome until 1980. In that period he was Invited Professor at École Polytechnique Fédérale de Lausanne (1972–1973) and at the University of Illinois, Urbana (1979–1980).

paragraph_text: Michale Fee received a B.E. with honors in Engineering Physics from the School of Engineering at the University of Michigan (1985). He received a Ph.D. in Applied Physics from Stanford University (1992), where he conducted his thesis work in the laboratory of Steven Chu. From September 1992–June 1996 he was a postdoctoral fellow at Bell Laboratories in the Biological Computation Research Department, where he worked in the laboratory of David Kleinfeld on the cortical circuitry in the vibrissa system of the rat underlying the sense of touch.

paragraph_text: Ames is a city in central Iowa approximately 30 miles (48 km) north of Des Moines. It is best known as the home of Iowa State University (ISU), with leading Agriculture, Design, Engineering, and Veterinary Medicine colleges. An United States Department of Energy national laboratory, Ames Laboratory, is located on the ISU campus.

paragraph_text: New Delhi has a population of 249,998. Hindi and Punjabi are the most widely spoken languages in New Delhi and the lingua franca of the city. English is primarily used as the formal language by business and government institutes. New Delhi has a literacy rate of 89.38% according to 2011 census, which is highest in Delhi.

paragraph_text: The Journal of Applied Physics is a peer - reviewed scientific journal with a focus on the physics of modern technology. The journal was originally established in 1931 under the name of Physics, and was published by the American Physical Society for its first 7 volumes. In January 1937, ownership was transferred to the American Institute of Physics ``in line with the efforts of the American Physical Society to enhance the standing of physics as a profession ''. The journal's current editor - in - chief is André Anders (Lawrence Berkeley National Laboratory). According to the 2015 Journal Citation Reports, the journal has a 2016 impact factor of 2.068.

paragraph_text: He started the Visibility Laboratory at the Massachusetts Institute of Technology in 1939/40. It was the brainchild of Duntley and MIT physics chair Dr. Arthur C. Hardy. It was focused on applying optics to such problems as camouflage, misdirection of aerial bombardment, target location, visibility of submerged objects at sea. In 1952, Roger Revelle and Quimby Duntley agreed that the laboratory would become part of the Scripps Institution of Oceanography in San Diego, and the U.S. Navy Bureau of Ships agreed to pay for the move. The work of the laboratory centered on the transmission of visible light through the atmosphere and water and the related problems of image formation and recognition. The nature of much of the research required measurements of the optical properties of the ocean or atmosphere for which no instruments existed. As a result of these requirements, many unique and very specialized instruments were developed by the laboratory, many of which were based on concepts or optical designs devised by Duntley. He earned the academic rank of Professor in 1966 and taught at Scripps Institution of Oceanography and at the Department of Applied Physics and Information Science (APIS) at UCSD until his retirement.

paragraph_text: Marcela Carena (born March 22, 1962 in Buenos Aires, Argentina) is a theoretical physicist at the Fermi National Accelerator Laboratory and a professor at the University of Chicago and the Enrico Fermi Institute. She is the Director of International Relations at Fermilab, as well as the head of the Theoretical Physics Department. As of January 1, 2016 she is the Chair Elect of the Division of Particles and Fields of the American Physical Society.

paragraph_text: The Applied Physics Laboratory Ice Station 2007 (APLIS07) is a U.S.A. and Japanese laboratory dedicated to the study of global climate change, located about 300 km south of the Arctic Circle, Alaska on the West Ridge of the University of Alaska Fairbanks campus.

paragraph_text: The National Physical Laboratory of India, situated in New Delhi, is the measurement standards laboratory of India. It maintains standards of SI units in India and calibrates the national standards of weights and measures.

paragraph_text: Kimballton is an unincorporated community in Giles County, Virginia, United States. Kimballton is located on Stony Creek, northeast of Pearisburg. Virginia Tech's Kimballton Underground Research Facility, a low-background physics laboratory, is located in a limestone mine in Kimballton.

paragraph_text: In the 1970s he founded and became president of Digital Pathways. In 1972 he published a textbook on classical electrodynamics that has become a standard reference for intermediate and advanced students for its particularly clear exposition of the basic physical principles of the theory. In 1991, he became Associate Director of High Energy and Nuclear Physics at Brookhaven National Laboratory. At the same time, he rejoined the Columbia faculty as Professor of Physics. He became I. I. Rabi Professor of Physics in 1994 and retired as Rabi Professor Emeritus in 2000.  He spent his retirement years in Ketchum, Idaho, and died August 28, 2006 at a Twin Falls, Idaho, nursing home after struggling with Parkinson's disease and hepatitis C.

paragraph_text: He took an active part in the organization of the Institute of Physics and Mathematics of the Belarus Science Academy, and was the leader of one of the four major laboratories there (the laboratory of theoretical physics) until 1987.

paragraph_text: Harry Crowe Buck (November 25, 1884 -- July 24, 1943) was an American college sports coach and physical education instructor. He founded the YMCA College of Physical Education at Madras in 1920, which played a key role in promoting sports and in establishing the Olympic movement in India. He has been called ``The Father of Physical Education in India ''. He was also one of the founding members of the Olympic movement in India and the Indian Olympic Association, and was manager of the Indian team at the 1924 Olympics.

paragraph_text: Model Laboratory School is a semi-private laboratory school located on the campus of Eastern Kentucky University, in Richmond, Kentucky, United States.

paragraph_text: Haryana (IPA: (ɦərɪˈjaːɳaː)), (Urdu: ہریانہ ‎), is one of the 29 states in India, situated in North India. It was carved out of the former state of East Punjab on 1 November 1966 on a linguistic basis. It stands 21st in terms of its area, which is spread about 44,212 km (17,070 sq mi). As of 2011 census of India, the state is eighteenth largest by population with 25,353,081 inhabitants. The city of Chandigarh is its capital while the National Capital Region city of Faridabad is the most populous city of the state and the city of Gurugram is financial hub of NCR with major Fortune 500 companies located in it.

paragraph_text: Teriān graduated in 1947 in the Science Department of University of Tehran. She began her career in the physics laboratory of this university and was elected the chief of laboratory operations in the same year.

paragraph_text: North East Institute of Science and Technology (NEIST), Jorhat (formerly Regional Research Laboratory) is a constituent establishment of the Council of Scientific and Industrial Research (CSIR), a premier R&D organisation of India, which has a chain of laboratories across the country. This laboratory was established in 1961 under the chemical science group of CSIR and originally its main aim was to develop indigenous technologies by utilising the immense natural resources of northeastern India like Petroleum, Natural Gas, Minerals, Tea, Aromatic and Medicinal plants.

paragraph_text: Mueller studied at Iowa State University, receiving a Bachelor's Degree in 1961 and in 1965 completed his PhD at MIT. He then served until 1971 as a post-doc at Brookhaven National Laboratory. Since 1972 he has been at Columbia University. He was also a visiting scientist at the Institute for Advanced Study (1975), at the nuclear research centers in Saclay, the Kavli Institute for Theoretical Physics at the University of California, Santa Barbara, New York University, and at SLAC.

Question: What is the population of the Indian city where the National Physical Laboratory is located?
Answer: 249,998