منابع مشابه
Whistler-Langmuir oscillitons and their relation to auroral hiss
A new type of oscilliton (soliton with superimposed spatial oscillations) is described which arises in plasmas if the electron cyclotron frequency e is larger than the electron plasma frequency ωe, which is a typical situation for auroral regions in planetary magnetospheres. Both highfrequency modes of concern, the Langmuir and the whistler wave, are completely decoupled if they propagate para...
متن کاملThe Sound and the Fury—Bees Hiss when Expecting Danger
Honey bees are important model systems for the investigation of learning and memory and for a better understanding of the neuronal basics of brain function. Honey bees also possess a rich repertoire of tones and sounds, from queen piping and quacking to worker hissing and buzzing. In this study, we tested whether the worker bees' sounds can be used as a measure of learning. We therefore conditi...
متن کاملHISS, not insulin, causes vasodilation in response to administered insulin.
Meal-induced sensitization to the dynamic actions of insulin results from the peripheral actions of a hormone released by the liver (hepatic insulin sensitizing substance or HISS). Absence of meal-induced insulin sensitization results in the pathologies associated with cardiometabolic risk. Using three protocols that have previously demonstrated HISS metabolic action, we tested the hypothesis t...
متن کاملHISS: A HIghly Scalable Scheme for Group Rekeying
Group communication is a suitable and effective communication model for large-scale distributed systems.To be fully exploitable, group communication must be protected.This is normally achieved by providing members with a group key which is revoked and redistributed upon every member’s joining (backward security) or leaving (forward security). Such a rekeying process must be efficient and highly...
متن کاملTwo types of ELF hiss observed at Varanasi, India
The morphology of ELF hiss events observed at low-latitude ground station Varanasi (L = 1.07, geomagnetic latitude 14°55¢N) are reported, which consist of two types: (1) events which propagated in ducted mode along the geomagnetic ®eld line corresponding to observing station Varanasi and (2) events which propagated in ducted mode along higher L-values (L = 4±6), after reaching the lower edge of...
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ژورنال
عنوان ژورنال: Nature
سال: 1913
ISSN: 0028-0836,1476-4687
DOI: 10.1038/091557b0