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June 2012

The Optics of Recycling

Andreas Nordbryhn

Optical technologies, including laser scanning and spectroscopy, can be used to identify and sort recyclable materials in a way that makes efficient use of available natural resources and helps to reduce fossil fuel consumption—all in a cost-effective manner.


Photography in the American Civil War

One hundred and fifty years ago, a rapidly evolving imaging technology came to a divided nation where citizens were fighting each other on bloody battlefields. The rest, as they say, is history.

Freeform Optical Surfaces: A Revolution in Imaging Optical Design

A revolutionary optical surface is the result of developments in the theory of aberrations, techniques in optical system optimization, computation speed, precision fabrication of surfaces without symmetry, and extensions to the range of the surface slopes allowed in optical testing.


How to Build a Thriving Undergrad Physics Program

Quantum and Nano-optics in Spain: A Success Story

Transparent Metals: Fact and Fiction

Laser Fabricates Silver Dots in a Polymer Matrix

Self-Assembling Microlenses Inspired by Starfish

Presidential Profile: Frederick Dowswell Smith


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