منابع مشابه
Spi Computations on Grids Computations on Grids Computations on Grids
We study how the underlying graph of dependencies of one dimensional cellular automaton may be used in order to move and compose areas of computations. This allows us to deene complex cellular automata, relaxing in some way the inherent synchronism of such networks. and asynchronous computations. R esum e Nous etudions comment le graphe sous-jacent de d ependances d'un automate cellulaire de di...
متن کاملTidal Dwarf
We review the observational evidences for tidal dwarf galaxies, a class of small galaxies formed out of the tidal debris of collisions between massive galaxies. Tidal dwarfs are found far from the interacting parent galaxies, associated to massive clouds of atomic hydrogen located at the tip of long tidal tails. These newly formed galaxies are among the best cases for the study of galaxy format...
متن کاملTidal Bores
We huddled together on the bank of the river in the cool spring night, drinking tea and warming our hands at the fire. The full moon shone intermittently through the clouds, illuminating the river below. Suddenly from downstream came the cry "Flood-O!" We ran higher up the bank with a low, rumbling sound in our ears. As we reached the top of the bank a wall of water four feet high passed be lo...
متن کاملTidal Friction and Tidal Lagging. Applicability Limitations of a Popular Formula for the Tidal Torque
Tidal torques play a key role in rotational dynamics of celestial bodies. They govern these bodies’ tidal despinning and also participate in the subtle process of entrapment of these bodies into spin–orbit resonances. This makes tidal torques directly relevant to the studies of habitability of planets and their moons. Our work begins with an explanation of how friction and lagging should be bui...
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ژورنال
عنوان ژورنال: Nature
سال: 1964
ISSN: 0028-0836,1476-4687
DOI: 10.1038/2041126a0