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Showing posts from July, 2023

Kip Thorne

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 Kip Thorne, born June 1, 1940, is an American theoretical physicist best recognized for his contributions to gravitational physics and astrophysics. He is most known for his theoretical predictions and analyses of black holes and gravitational waves. Thorne acquired his Bachelor of Science degree in 1962 from the California Institute of Technology (Caltech) and his Ph.D. in 1965 from Princeton University. He subsequently returned to Caltech, where he became a theoretical physics professor and stayed for the rest of his academic career. Thorne's work with fellow physicists Stephen Hawking and Roger Penrose in developing the laws regulating black holes was one of his most significant accomplishments. They collaborated to create the framework of general relativity in order to comprehend the nature and properties of black holes. Their findings demonstrated that black holes had event horizons and may generate thermal radiation, which is now known as Hawking radiation. Thorne has made s

Dr. Hargobind Khurana: Genetic Code

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 Hargobind Khurana was a scientist of Indian origin who made substantial discoveries in genetics and molecular biology. He was born on January 9, 1922, in Raipur, Punjab, British India (now Pakistan), and died on November 9, 2011, in Concord, Massachusetts. Khorana is well known for his seminal work on the interpretation of the genetic code and nucleic acid synthesis, for which he received the Nobel Prize in Physiology or Medicine in 1968. Khorana shared the Nobel Prize with Robert W. Holley and Marshall W. Nirenberg for their discovery of how the arrangement of nucleotides in nucleic acids regulates protein production in cells. This research helped us grasp how DNA encodes genetic information and how it is translated into proteins. During his work, Khorana achieved substantial advances in DNA chemistry, RNA synthesis, and genetic code decoding. He was instrumental in the creation of the first artificial gene and contributed to our understanding of how cells process genetic information

Niels Bohr: The Atom Model

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 Niels Bohr (1885-1962) was a Danish physicist who contributed significantly to the study of atomic structure and quantum mechanics. He is most known for developing the Bohr model of the atom, which claimed that electrons circle the nucleus in certain energy levels or shells. Bohr's atomic model was a key advance in physics, helping to explain a variety of phenomena such as atomic spectra and atomic stability. His model included the idea of quantized energy levels, which asserted that electrons may only occupy defined orbits around the nucleus and can transition between these levels by absorbing or releasing photons. One of Bohr's most notable contributions was the formulation of the notion known as complementarity during the 1920s. The concept of complementarity states that in some studies, particles display both wave-like and particle-like behavior, but not simultaneously. This idea became a cornerstone of quantum physics and had a significant impact on philosophical understa