In this paper, we present our recent study on the fabrication and characterization of ammonia gas sensors based on quartz thickness shear mode (TSM) resonators employing ZnO nanowires as the sensitive ...

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Rocks on Iceland beaches confirm the Late Antique Little Ice Age, caused by volcanic eruptions, precipitated the fall of the Roman Empire.

We inject water at a low flow rate through gas diffusion layers containing different percentages of polytetrafluoroethylene (PTFE) coating: 5, 20, 40, and 60%. We use high-resolution three-dimensional ...

In the shadow of Chicago’s skyscrapers and beyond the cornfields that stretch across much of Illinois lies a treasure so unexpected and dazzling that it feels like stumbling upon a secret society’s ...

We study shear-horizontal (SH) waves in an unbounded plate of rotated Y-cut quartz carrying a thin mass layer imperfectly or nonrigidly bonded to the surface of the quartz plate. The imperfect ...

Due to the radiative thermal conductivity of the mineral olivine, only oceanic plates over 60 million years old and ...

Rock Islands Southern Lagoon covers 100,200 ha and includes 445 uninhabited limestone islands of volcanic origin. Many of them display unique mushroom-like shapes in turquoise lagoons surrounded by ...