The blog covers issues broadly related to sustainability in Minnesota and the world both from an environmental perspective and from an interpersonal perspective. It also covers issues related to mycology (the study of fungi) with a specific emphasis on the interaction with fungal organisms and buildings.
A flood of articles on the use of terahertz imaging suggests opportunities for improved instrument detection in several areas including security, quality control and medical imaging.
The terahertz frequency is close to the IR spectra and may be useful for moisture detection. It will also be useful to find objects inside a wall cavity. Unlike the IR spectra it is capable of detecting materials below the surface of the object and therefore will raise privacy concerns.
Researchers at the University of Texas in Dallas have devised a chip for a smart phone allowing it to see through walls using terahertz imaging.
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