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    Physics

    Researchers substantially boost sensitivity of terahertz gas analysis

    A new advance promises to increase the sensitivity of high-resolution spectrometers that perform chemical analysis using terahertz wavelengths. This higher sensitivity could benefit many applications, such as analysis of the complex gas mixtures found in industrial emissions and detection of biomarkers of disease in the breath of patients. It could also lead to new ways to detect food spoilage through gas detection. …read more

    Source:: Physorg Physics

          

    A technique to measure mechanical motion beyond the quantum limit

    Researchers at the University of Colorado have recently developed a new technique to measure mechanical motion using simultaneous electromechanical amplification and cooling processes. Their method, presented in a paper published in Physical Review Letters, allowed them to perform a nearly noiseless measurement of the position of a mechanical oscillator, which has so far proved to be difficult using alternative techniques for measuring motion. …read more

    Source:: Physorg Physics

          

    New water-based optical device revolutionizes the field of optics research

    Light is versatile in nature. In other words, it shows different characteristics when traveling through different types of materials. This property has been explored with various technologies, but the way in which light interacts with materials needs to be manipulated to get the desired effect. This is done using special devices called light modulators, which have the ability to modify the properties of light. …read more

    Source:: Physorg Physics

          

    Study on surface damage to vehicles traveling at hypersonic speeds

    Vehicles moving at hypersonic speeds are bombarded with ice crystals and dust particles in the surrounding atmosphere, making the surface material vulnerable to damage such as erosion and sputtering with each tiny collision. Researchers at the University of Illinois at Urbana-Champaign studied this interaction one molecule at a time to understand the processes, then scaled up the data to make it compatible with simulations that require a larger scale. …read more

    Source:: Physorg Physics

          

    The first high-speed straight motion of magnetic skyrmions at room temperature demonstrated

    Researchers at Tohoku University have, for the first time, successfully demonstrated a formation and current-induced motion of synthetic antiferromagnetic magnetic skyrmions. The findings are expected to pave the way towards new functional information processing and storage technologies. …read more

    Source:: Physorg Physics

          

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