Briefs: Electronics & Computers
Computer processors have shrunk to nanometer scales over the years, with billions of transistors sitting on a single computer chip. While the increased number of transistors helps make...
Articles: Materials
Briefs: Mechanical & Fluid Systems
Heat exchangers are used for the transfer of heat between two or more media. The media may be separated by a solid wall so that they never mix, or they may be in direct contact. Heat exchangers may be used in HVAC systems,...
Briefs: Manufacturing & Prototyping
Human susceptibility to the harsh space radiation environment has been identified as a major hurdle for exploration beyond low-Earth orbit (LEO)....
Briefs: Mechanical & Fluid Systems
There is a wide range of spacecraft thermal management applications that require variable conductance devices such as thermal switches. These switches are used to help maintain the heat source (electronics)...
Articles: Lighting
LEDs are experiencing increasing acceptance and growth across many market segments. Part of this growth is due to new, higher-power LEDs that can be packaged in increasingly small areas. However, increased...
Briefs: Materials
A prototype Stirling-engine regenerator containing a matrix made of carbon-fiber-based composite materials has been developed. The concept underlying this development effort is one of...
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