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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.
Modern physics is a branch of physics that developed in the early 20th century and onward or branches greatly influenced by early 20th century physics. Notable branches of modern physics include quantum mechanics , special relativity , and general relativity .
Kenneth Krane's Modern physics begins a text on quantum and relativity theories with a few pages on the deficiencies of classical physics. [84]: 3 E.T. Whittaker's two volume A History of the Theories of Aether and Electricity subtitles volume one to The Classical Theories and volume two The Modern Theories (1900–1926). [85]
1861: Grade school teacher Philipp Reis presents his telephone in Frankfurt, inventing the loudspeaker as a by-product. 1867: French poet and philosopher Charles Cros (1842–1888) presents the construction principle of a phonograph in his 'paréophone', which turned out not to be a commercial success at the time.
This is a list of notable experiments in physics. The list includes only experiments with Wikipedia articles. The list includes only experiments with Wikipedia articles. For hypothetical experiments, see thought experiment .
1896 Wilhelm Conrad Röntgen discovers the X-rays while studying electrons in plasma; scattering X-rays—that were considered as 'waves' of high-energy electromagnetic radiation—Arthur Compton will be able to demonstrate in 1922 the 'particle' aspect of electromagnetic radiation.
This was not the first electric light bulb but the first commercially practical incandescent light. In 1879 he produces a high-resistance lamp in a very high vacuum; the lamp lasts hundreds of hours. While the earlier inventors had produced electric lighting in lab conditions, Edison concentrated on commercial application and was able to sell ...
2000 – CERN announced quark-gluon plasma, a new phase of matter. [28]2023 – Physicists from US and China discovered a new state of matter called the chiral bose-liquid state [29]