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Harnessing smartphones to track how people use green spaces

A new study demonstrates how anonymized GPS data from people's smartphones can be used to monitor the public's use of parks and other green spaces in urban areas, which could help inform their management. Alessandro Filazzola ...

Examining the limits of nonlocal wide-field-of-view metalenses

Metalenses, compact lenses made with metasurfaces, have the potential to enable thinner, lighter, cheaper, and better imaging systems for a wide range of applications where miniaturization is critical (e.g., for mobile devices, ...

Researchers give 2D electronics a performance boost

Two dimensional (2D) semiconductors have a unique property that allows their thickness to be reduced to one or few atoms—and this property could potentially minimize the short channel effects that remain an issue in advanced ...

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