Choreography
发表于 2025-3-30 11:20:34
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Keratin
发表于 2025-3-30 13:37:45
On Hertz’s Conceptual Conversion: From Wire Waves to Air WavesDuring November, 1887, in his Karlsruhe laboratory, Heinrich Hertz observed for the first time “wire waves,” that is, regular alternating currents with a very high frequency in conductive wires. These were the only electric waves he had yet detected. He described them to his master Hermann von Helmholtz in Berlin:
Gnrh670
发表于 2025-3-30 19:16:10
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轻而薄
发表于 2025-3-30 21:55:29
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Inflated
发表于 2025-3-31 03:27:53
https://doi.org/10.1007/978-94-015-8855-3Albert Einstein; electrodynamics; experimentation; philosophy of science; science
PLIC
发表于 2025-3-31 07:10:36
Book 1998z, as the con summate experimentalist of 19th century technique and as brilliant clarifying critic of physical theory of his time, achieved one of the fulfilments but at the same time opened one of the transition points of classical physics. Thus, in his ‘popular‘ lecture ‘On the Relations Between
核心
发表于 2025-3-31 11:26:45
Jed Z. Buchwaldal cellular and other widespread data communications take place today. Such a chip would connect to the antenna on one end, and on the other end provide ports for the input and output of baseband data. At the current level of interest in wireless ICs, though, such an integrated radio is expected soon.
温和女孩
发表于 2025-3-31 15:20:31
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Alveolar-Bone
发表于 2025-3-31 21:12:36
Heinrich Hertz and the Geometrisation of Mechanicsons to a first approximation have the same effect as forces in the traditional Newtonian-Lagrangian image of mechanics. The mathematical form of Hertz’s mechanics was characterized by a geometric structure of configuration space that he called ..
Recess
发表于 2025-4-1 01:22:17
The Reception of Heinrich Hertz’s , by His Contemporariesis book on mechanics, which appeared just two years later. This paper suggests that a major factor in the neglect of Hertz’s . was the unenthusiastic and often quite negative response to his book by some of the most important physicists of his time.