Caltech scientists have developed a method that detects tiny, imperceptible movements at the surface of objects to reveal details about what lies beneath. By analyzing the physics of waves traveling ...
With wearable Internet of Things devices, such as smartwatches, contact with skin adds a new layer of complexity. .
Abstract: A simple waveguide-Floquet mapping is proposed and theoretically investigated that links the scattering response of a sub-wavelength metasurface unit cell under an infinite periodic array ...
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