Results 1 to 10 of about 21,634 (214)
Scalable quantum photonic platform based on site-controlled quantum dots coupled to circular Bragg grating resonators [PDF]
Light: Science & ApplicationsThe scalable integration of solid-state quantum emitters into photonic nanostructures remains a central challenge for quantum photonic technologies. Here, we demonstrate a robust and streamlined integration strategy that tackles the long-standing issue ...
Kartik Gaur +14 more
doaj +2 more sources
Capacitive photocharging of gold nanorods [PDF]
Nature CommunicationsLight can charge plasmonic nanoparticles by photoredox reactions, significantly modifying their optical and chemical properties. However, the charging process has been challenging to track experimentally, severely hindering its thorough evaluation.
Felix Stete +2 more
doaj +2 more sources
Eduard Heis, an early pioneer in meteor research [PDF]
History of Geo- and Space Sciences, 2021 At the beginning of the 19th century, meteor observations were not well established. One of its pioneers, who observed meteors on a regular basis, was Eduard Heis in Münster, Germany. We summarise the life of this scientist.
U. Sperberg
doaj +1 more source
Les tables de réfraction astronomique
Comptes Rendus. Physique, 2023 The paper investigates the refraction as it concerns position astronomy and the attempts of generations of astronomers since Tycho Brahe to estimate its size as a function of the apparent zenith distance of the sources.
Mignard, François
doaj +1 more source
L’enfant merveilleux chez Héraclite d’Ephèse
Archai: Revista de Estudos sobre as Origens do Pensamento Ocidental, 2020 Dans la phrase marquée DK22 B52, Héraclite décrit un enfant jouant avec de petits objets (pessoi). Le garçon a tout un royaume à sa disposition et il est identifié lui-même avec l’éon.
Małgorzata Kwietniewska
doaj +1 more source
Tegniek as bemiddeling tussen lewensritme en kosmiese ritme?
The Journal for Transdisciplinary Research in Southern Africa, 2009 Die doel van hierdie artikel is om na te dink oor ’n merkwaardige gebeurtenis waarin spitswetenskap en kuns mekaar ontmoet het: die astroseis- mologie van Conny Aerts en die komposisie van Willem Boogman.
E. Wolff
doaj +1 more source
Alexander von Humboldt als astronomischer Arbeiter, Diskussionspartner und Ideengeber
HiN - Alexander von Humboldt im Netz. Internationale Zeitschrift für Humboldt-Studien, 2014 Auf welche Weise sich unsere Einschätzung des wissenschaftlichen Wirkens Alexander von Humboldts auf Grundlage der beständig voranschreitenden Erschließung seiner Handschriften verändern konnte und welche aktuellen wissenschaftshistorischen ...
Oliver Schwarz
doaj +1 more source
Cahiers d’histoire, 2007 Comment se constitue un nouveau domaine scientifique ? Quelles interactions entre les administrations, les pouvoirs politiques et les différents corps du monde savant sont en cause dans la reconnaissance et l’existence sociale des spécialités ?
Arnaud Saint-Martin
doaj +1 more source
Audouin Dollfus, astronome du XX$^{\protect \mathrm{e}}$ siècle
Comptes Rendus. Mécanique, 2023 Canadian astrophysicist Hubert Reeves (April 2011) considers Audouin Dollfus to be one of the greatest contemporary French astronomers. In particular, he discovered Saturn’s satellite Janus, determined the composition of the soil on Mars, detected ...
Chanetz, Bruno +2 more
doaj +1 more source
Gerbertův úvod do geocentrické astronomie
Teorie vědy, 2011 Studie se věnuje čtyřem astronomickým pomůckám, které vytvořil a užíval Gerbert z Aurillacu, remešský a ravennský arcibiskup, opat v Bobbiu a v letech 999–1003 papež (pod jménem Silvestr II.). Gerbert vyučoval quadrivium především v Remeši a od jeho žáka
Marek Otisk
doaj +1 more source