Resultado de búsqueda
Hace 2 días · La ciencia del cambio climático. Cuando en 1988 James Hansen, climatólogo de la NASA, declaró ante el Senado de EEUU que el efecto invernadero debido a la actividad humana estaba cambiando el clima, encendió una señal de alarma, aunque buena parte de la comunidad científica se mantuvo naturalmente escéptica a la espera de más evidencias.
Hace 2 días · In 1875 John Tyndall demonstrated to the Royal Society the antibacterial action of the Penicillium fungus. [7] In 1876, German biologist Robert Koch discovered that a bacterium ( Bacillus anthracis ) was the causative pathogen of anthrax , which became the first demonstration that a specific bacterium caused a specific disease and the first direct evidence of germ theory of diseases .
Hace 3 días · He has been recipient of amongst others the 2020 John Tyndall Award and the 2023 IEEE Photonics Award. He told Show Daily , “The overall aims of the plenary talk are to discuss the enormous value proposition of silicon photonics for applications and markets beyond transceivers, but also to discuss the techno-economic challenges involved including my thoughts about the best way forward.
Hace 2 días · John Tyndall, esq. Manor of Sutton and 17 messuages and 8 cottages with lands in Sutton, Byron, Brotherton, and Brotherton Mushe, and free fishing in the water of the Eyer. George Fairbanck: John Fairbank and Jane his wife: Messuage with lands in Hensall and Snayth. William Fairefaxe, kt. Roger Dobson, gent.
Hace 3 días · At the Tyndall Centre for Climate Change Research we provide evidence to inform society’s transition to a sustainable low-carbon and climate-resilient future.
Hace 11 horas · Nato je učinek tople grede leta 1859 dokazal irski fizik John Tyndall z merjenjem absorptivnosti posameznih plinov pri različnih valovnih dolžinah svetlobe. Pokazal je, da sta plina dušik (N2) in kisik (O2), katerih koncentracija je v ozračju največja, za Zemljino dolgovalovno (infrardeče, IR) sevanje prepustna.
Hace 3 días · In 1952, UK based physicist Narinder Singh Kapany invented the first actual fiber optical cable based on John Tyndall's experiments three decades earlier.
