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The outlook for civil nuclear power has blackened everywhere in the aftermath of the Chernobyl accident. Here is what governments other than the Soviet should now do.
There now seems a high chance that what seemed, two weeks ago, to be a particularly interesting double-quasar image may simply be a record of two independent objects.
Following the encounters by Soviet, Japanese and European spacecraft, the International Cometary Explorer took measurments of comet Halley on 22 March. The comet has also been observed by the Solar Maximum Mission, the International Ultraviolet Explorer, the Pioneer Venus Orbiter, the Dynamics Explorer 1, and by sounding rockets.
Combined with liquid chromatography, pulsed amperometric detection extends the capabilities of carbohydrate analysis. The method allows direct electrochemical detection.
