February 2006

Real-Time 3D Sensing and Identification of Microorganisms

Bahram Javidi, Inkyu Moon and Seokwon Yeome

Optical systems that can quickly detect and identify harmful microbes could become critical tools for preventing the next pandemic. Single-exposure on-line holographic microscopy may provide a way to image and identify microorganisms three dimensionally and in real time.

A History of Imaging: Revisiting the Past to Chart the Future

It’s hard to keep up with the recent explosion of imaging applications, from medical cameras small enough to swallow to municipal cameras for detecting speeders and red-light runners. How has the history of optics in general, and imaging in particular, informed where we are and where we will be next?

In the Middle of No-When: The Long and Short of Time

How far along is the universe in its lifespan? Is a second a flash of time or a near-eternity? It all depends on your perspective.


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