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Virtual Memory

A Very Real Advantage For Embedded Systems Software developers face constant challenges. Not only must their code be functionally correct, it must also be reliable. In addition, competition among software vendors has taken software quality to significantly higher levels. Producing high-quality code has become one of the core requirements in the software industry today as it differentiates leading software vendors from the rest of the field.

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Good Vibrations



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Golden Healing



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Two Devices for Removing Sludge From Bioreactor Wastewater

These devices can operate continuously and are self-cleaning. Two devices — a magnetic separator and a special filter denoted a self-regenerating separator (SRS) — have been developed for separating sludge from the stream of wastewater from a bioreactor. These devices were originally intended for use in microgravity, but have also been demonstrated to function in normal Earth gravity.

Posted in: Medical, Briefs

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Portable Unit for Metabolic Analysis

Respiratory signals can be temporally resolved within respiratory cycles. The Portable Unit for Metabolic Analysis (PUMA) is an instrument that measures several quantities indicative of human metabolic function. Specifically, this instrument makes time-resolved measurements of temperature, pressure, flow, and the partial pressures of oxygen and carbon dioxide in breath during both inhalation and exhalation.

Posted in: Medical, Briefs

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Image Sensors Decades Old But Not Yet Mature

There’s no rule that says when a technology becomes mature, but one might think that image sensors would be by now, 40 years after their conception. Nothing could be further from the truth. After decades of use in fax machines, scanners, and camcorders, image sensors are now in the largest growth period in their history, and much of the innovation is still happening.

Posted in: Features, ptb catchall, Photonics, Articles

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DisplayPort Technology — Heir Apparent to VGA?

For the last 20 years we have connected our monitors to our computer systems having the confidence that upon turn-on, we could surf or create with never a consideration of whether the display would operate satisfactorily. VGA (Video Graphics Adaptor) technology enabled us to do that with CRTs as well as with flat panel displays. Now, however, the viewing benchmarks are being reset, as are system design considerations. There’s a new interface on the horizon called DisplayPort!

Posted in: ptb catchall, Applications, Photonics, Application Briefs

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