Cover Story

Nuclear War, the Atmosphere, and Climate

Kirill Ya. Kondratyev

In recent years great attention has been paid to new assessments of a possible impact of a nuclear war on atmosphere and climate. P. Crutzen (West Germany) and J. Birks (United States) were the first to discover the possible critical... more>>

Features

Surreptitious Interception of Conversations with Lasers

Forrest M. Mims III

Methods are described for surreptitiously intercepting conversations by reflecting a low-power laser beam from a window pane. The essential components and optical configurations of laser eavesdropping systems are discussed. Finally, both countermeasures and legal sanctions are addressed. more>>

Pulses

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