This report describes an investigation of crater formation by nuclear surface bursts; early time processes (radiation and hydrodynamics) and scaling laws are emphasized. We have not attempted a complete theoretical or experimental review of nuclear cratering. Rather this report is intended to be a simple presentation of the important physical processes involved in cratering along with their spatial and temporal scales. (Author)
This study evaluates the scientific issues relevant to the developmental and application of infrared laser technology. The analysis is a companion to an earlier treatment involving visible and ultraviolet systems. It is concluded that maximum impact can be derived from the established infrared technology by a properly expanded effort stressing vibrational energy transfer processes, infrared laser chemistry, and frequency conversion. It is likely that a synthesis of developments in these ...
It is shown that during certain years of intense nuclear testing, high-yield nuclear explosions seem to have injected into the stratosphere a few times 10 to the 34th power nitric oxide molecules. This is very similar to upper estimates for NO generation from 500 SSTs flying for a year. Large catalytic ozone reduction from such NO injection was not observed in worldwide or local total ozone measurements. (Author)
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