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The White House announced last week that is was planning to forge ahead with "smart grid" plans for the United States. By increasing controls technology and digital information, the effort would potentially update the American electrical transmission system to provide real-time information about the state of...

It's always interesting to witness the progression of companies between trade shows. Months or year(s) have gone by, and in between, exhibiting companies don't idle — they find new ways to meet the ever-growing demands of the medical industry. One of those demands is customization of orthopedic implants. At this...

Waleed Abdalati, on January 3rd of this year, became NASA’s chief scientist. He will serve as the principal adviser to the NASA administrator on agency science programs, strategic planning, and the evaluation of related investments. To download this interview as a...

Wind and Temperature Spectrometry (WATS) is a new approach to measure the full wind vector, temperature, and relative densities of major neutral species in the Earth’s thermosphere. The method uses an energy-angle spectrometer moving through the tenuous upper atmosphere...

This software provides a programming interface for automating data collection with a PhaseCam interferometer from 4D Technology, and distributing the image-processing algorithm across a cluster of general-purpose computers.

Stem cells, both embryonic and adult, promise to revolutionize the practice of medicine in the future. In order to realize this potential, a number of hurdles must be overcome. Most importantly, the signaling mechanisms necessary to control the differentiation of stem cells into tissues of interest remain...

Increasingly, millimeter waves are being employed for telecomm, radar, and imaging applications. To date in the U.S, however, very few investigations on the impact of this radiation on biological systems at the cellular level have been undertaken. In the beginning, to...

A passive vaporizing heat sink has been developed as a relatively lightweight, compact alternative to related prior heat sinks based, variously, on evaporation of sprayed liquids or on sublimation of solids. This heat sink is designed for short-term dissipation of a large amount of heat and was originally intended for...