ON February, 1985

Cover Story

Quantum Mechanical Computers

Richard P. Feynman

This work is a part of an effort to analyze the physical limitations of computers due to the laws of physics. For example, Bennett1 has made a careful study of the free energy dissipation that must accompany computation. He found it to... more>>

Features

Light Gone Astray A Look at Glare

Ross McCluney

Light is delightful. It is usually the carrier of many wonderful sights and visual sensations. It stimulates one of our most important senses and utilizes a portion of the electromagnetic spectrum which is dear to the hearts of most optical physicists. more>>

Pulses

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