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12. Sekce fyziky kondenzovaných látek
- Creator:
- Glogarová, Milada and Petzelt, Jan
- Format:
- print, bez média, and svazek
- Type:
- model:article and TEXT
- Subject:
- fyzika, dějiny, physics, history, 6, and 53
- Language:
- Czech and English
- Description:
- Milada Glogarová, Jan Petzelt.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
13. Sekce fyziky pevných látek: vědecká činnost v letech 1952-1989
- Creator:
- Šimůnek, Antonín, Kočka, Jan, and Krištofík, Josef
- Format:
- print, bez média, and svazek
- Type:
- model:article and TEXT
- Subject:
- fyzika, pevné látky, dějiny, physics, solids, history, 6, and 53
- Language:
- Czech and English
- Description:
- Antonín Šimůnek, Jan Kočka, Josef Krištofík a kolektiv.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
14. Supravodivosť má 100 rokov
- Creator:
- Samuely, Peter
- Format:
- print, bez média, and svazek
- Type:
- model:article and TEXT
- Subject:
- supravodivost, dějiny, superconductivity, history, 6, and 53
- Language:
- Czech and English
- Description:
- One hundred years ago Heike Kamerlingh Onnes arrived to one of the most important breakthroughs of 20th century physics - he discovered superconductivity. His finding as in many other cases in the history of science had been a result of use of a very new experimental technique. He used the cryogenic equipment in his Leiden's laboratory with the liquid helium cryocooler and measured electrical properties of metals near the absolute zero temperature. When cooled down to extremely low temperatures, near 4 Kelvin, very pure mercury suddenly lost its electrical resistance completely. Many major physicists of 20th century, experimentalists as well as theorists, devoted their life efforts to exploration of the mysterious properties of superconductors. Superconductivity has been shown to be one of the rare cases where quantum physics is observed on a macroscopic scale. Many chemical elements and thousands of compounds have been found to be superconducting. Fifty years after the discovery important practical applications such as strong magnets for laboratories and magnetic-resonance-imaging in hospitals came to the market. But more than seventy five years the superconducting materials had been functioning only at extreme cold, below 23 K (-250°C). In 1986 the "hightemperature superconductor's" era started with materials superconducting at -100°C. This paper surveys the history and the latest research into one of today's most fascinating physics and promising technologies., Peter Samuely., and Obsahuje bibliografii
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
15. Tenké vrstvy a povrchy
- Creator:
- Kočka, Jan, Cháb, Vladimír, and Chvoj, Zdeněk
- Format:
- print, bez média, and svazek
- Type:
- model:article and TEXT
- Subject:
- fyzika, dějiny, physics, history, 6, and 53
- Language:
- Czech and English
- Description:
- Jan Kočka, Vladimír Cháb, Zdeněk Chvoj.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
16. Život a dílo Christiaana Huygense
- Creator:
- Jáchim, František
- Format:
- print, bez média, and svazek
- Type:
- model:article and TEXT
- Subject:
- Huygens, Christiaan, 1629-1695, fyzika, osobnosti, dějiny, physics, celebrities, 6, and 53
- Language:
- Czech and English
- Description:
- Holanďan Christiaan Huygens významně přispěl k rozvoji mechaniky a optiky v návaznosti na problémy, které řešila astronomie. Je vynálezcem kyvadlových hodin, nejpřesnějšího časoměrného přístroje doby umožňujícího poprvé stanovení zeměpisné délky plujících lodí., The article deals with the life and work of Dutch astronomer, physicist and mathematician Christiaan Huygens. Describing his extensive scientific work, we start with his activities in the field of observational astronomy (e.g. the discovery of the rings and moon of Saturn and the summary of the existing knowledge of the planets in his publication Cosmotheoros). His discovery and quantitative description of centrifugal force contributed significantly to solving problems describes in Newton´s Principia. Huygens is also well-known as a technician and technical designer. He constructed the first pendulum clocks. Last but not least, we describe his work on the impact of solid bodies, when he reflected on the work of R. Descartes and J. Marek Marci., František Jáchim., and Obsahuje seznam literatury
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public