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This timeline lists significant discoveries in physics and the laws of nature, including experimental discoveries, theoretical proposals that were confirmed experimentally, and theories that have significantly influenced current thinking in modern physics. Such discoveries are often a multi-step, multi-person process.
The discovery finally convinces the physics community of the quark model's validity. 1974 Robert J. Buenker and Sigrid D. Peyerimhoff introduce the multireference configuration interaction method. 1975 Martin Perl discovers the tau lepton; 1977 Leon Lederman observes the bottom quark with his team at Fermilab. [30]
The timeline begins at the Bronze Age, as it is difficult to give even estimates for the timing of events prior to this, such as of the discovery of counting, natural numbers and arithmetic. To avoid overlap with timeline of historic inventions , the timeline does not list examples of documentation for manufactured substances and devices unless ...
This discovery of the wave–particle duality of matter and energy is fundamental to the later development of quantum field theory. 1909 and 1916 – Einstein shows that, if Planck's law of black-body radiation is accepted, the energy quanta must also carry momentum p = h / λ , making them full-fledged particles .
This is a timeline of subatomic particle discoveries, including all particles thus far discovered which appear to be elementary (that is, indivisible) given the best available evidence. It also includes the discovery of composite particles and antiparticles that were of particular historical importance.
2021 – Jun Ye and his team measure gravitational redshift with an accuracy of 7.6 × 10 −21 using an ultracold cloud of 100,000 strontium atoms in an optical lattice. [ 296 ] [ 297 ] 2021 – EHT measures the polarization of the ring of M87*, [ 298 ] and other properties of the magnetic field in its vicinity.
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Top 10 Algorithms of the 20th Century. The History of Numerical Analysis and Scientific Computing @ SIAM (Society for Industrial and Applied Mathematics) Ruttimann, Jacqueline (2006). "2020 computing: Milestones in scientific computing". Nature. 440 (7083): 399–405. Bibcode:2006Natur.440..399R. doi: 10.1038/440399a. PMID 16554772. S2CID 21967804.