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The Feynman diagrams are much easier to keep track of than "old-fashioned" terms, because the old-fashioned way treats the particle and antiparticle contributions as separate. Each Feynman diagram is the sum of exponentially many old-fashioned terms, because each internal line can separately represent either a particle or an antiparticle.
Chaos theory is an interdisciplinary area of scientific study and branch of mathematics. It focuses on underlying patterns and deterministic laws of dynamical systems that are highly sensitive to initial conditions. These were once thought to have completely random states of disorder and irregularities. [1]
A 19th-century jail room at a Pennsylvania museum. A prison, [a] also known as a jail, [b] gaol, [c] penitentiary, detention center, [d] correction center, correctional facility, remand center, hoosegow, and slammer, is a facility where people are imprisoned against their will and denied their liberty under the authority of the state, generally as punishment for various crimes.
Copernicus's Toruń birthplace (ul. Kopernika 15, left).Together with no. 17 (right), it forms Muzeum Mikołaja Kopernika.Nicolaus Copernicus was born on 19 February 1473 in the city of Toruń (Thorn), in the province of Royal Prussia, in the Crown of the Kingdom of Poland, [10] [11] to German-speaking parents.
AOD uses the Interactive Fault Diagnosis and Isolation System, or IFDIS, which is a rule-based expert system using information from TF-30 documents and expert advice from mechanics that work on the TF-30. This system was designed to be used for the development of the TF-30 for the F-111C. The system replaced specialized workers.
Steve Jobs (1955–2011), U.S. – Apple Macintosh computer, iPod, iPhone, iPad and other devices, software operating systems and applications. Amos Edward Joel Jr. (1918–2008) U.S. – electrical engineer, known for several contributions and over seventy patents related to telecommunications switching systems
C (pronounced / ˈsiː / – like the letter c) [6] is a general-purpose programming language. It was created in the 1970s by Dennis Ritchie and remains very widely used and influential. By design, C's features cleanly reflect the capabilities of the targeted CPUs. It has found lasting use in operating systems code (especially in kernels [7 ...
Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, [ 16 ] appearing every 72–80 years. [ 17 ] It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. Officially designated 1P/Halley, it is also commonly called Comet Halley, or sometimes simply ...