منابع مشابه
Pools and Satellites
Every day new ICT (information and communication technology) appliances find their way into our work, public, domestic and personal spaces [9,19]. While such new technologies may allow us to move beyond physical limitations such as time and distance, the interfaces and physical manifestations of these appliances are becoming increasingly important. Where these various elements meet, interesting...
متن کاملSchistosomes, snails and satellites.
This paper gives an overview of the recent progress made in the use and application of geographical information systems (GIS) and remotely sensed (RS) satellite sensor data for the epidemiology and control of schistosomiasis in sub-Saharan Africa. Details are given of the use of GIS to collate, map and analyse available parasitological data. The use of RS data to understand better the broad sca...
متن کاملCentriolar Satellites
We identified Xenopus pericentriolar material-1 (PCM-1), which had been reported to constitute pericentriolar material, cloned its cDNA, and generated a specific pAb against this molecule. Immunolabeling revealed that PCM-1 was not a pericentriolar material protein, but a specific component of centriolar satellites, morphologically characterized as electron-dense granules, approximately 70-100 ...
متن کاملNatural Satellites
The natural satellites of planets in the solar system display a rich variety of orbital configurations and surface characteristics that have intrigued astronomers, physicists, and mathematicians for several centuries. As detailed information about satellite properties have become available from close spacecraft reconnaissance, geologists and geophysicists have also joined the study with conside...
متن کاملCapturing Functions and Catching Satellites
The 2009 ICFP programming contest problem required contestants to control virtual satellites that obey basic physical laws. The orbital physics behavior of the system was simulated via a binary provided to contestants which ran on top of a simple virtual machine. Contestants were required to implement the virtual machine along with a controller program to manipulate the satellite’s behavior. In...
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ژورنال
عنوان ژورنال: Nature
سال: 1956
ISSN: 0028-0836,1476-4687
DOI: 10.1038/177862a0