Cover Story

A review of critical technologies that have contributed to the success of industrial machine vision applications and potentially significant trends. more>>


Planck's radiation law

Editor's note: This is the second of 11 monthly installments of lecture demonstrations on radiation exchange, by J. H. Taylor of Rhodes College in Memphis, Tenn. Next month's topic: Kirchhoff's law. more>>

Problems with polished surfaces

In our previous columns we have talked about the organization of ISO/TC 172, for standards for optics and optical instruments. This month we will discuss a very real standards problem and solicit suggestions. more>>


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