How to stop fearing and start loving the parallel computer

Article Abstract:

Programmers and users are reluctant to use the inherently powerful parallel computers because of their programming complexity. Multicomputer programmers are faced with more bug-spawning situations, while ensuring that the processors perform their tasks sequentially and coordinatively. Multicomputer programs are also difficult to write. This has prompted the development of the vectorizing compiler the Program Composition Notation which embodies the principle of compositional programming. Furthermore, increasingly parallel computers tend to decrease in efficiency.

Analysis, Parallel computers

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Next stop: the electric bus

Article Abstract:

The conversion of developing countries' bus fleets from gasoline to electricity offers environmental, economic and social benefits. Such efforts will help them address balance-of-trade issues concerning imported oil as well as environmental and health problems. The introduction of electric buses may also fuel industrial development and promote the growth of the electric vehicle industry.

Regulation and Administration of Transportation Programs, Mass Transit Programs, Environmental aspects, Developing countries, Buses (Transportation), Transportation, Electric vehicles, Public transportation, Engines, Buses

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A parallel spliceosome

Article Abstract:

Researchers have found a new spliceosome called AT-AC introns. The AT-AC spliceosome contains small nuclear RNAs designated U4atac and U6atac that correspond to U4 and U6 in the Gu-Ag spliceosome.

Physiological aspects, RNA splicing, Introns

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