Abstract: The construction of a 2-D photonic crystal (PC) is prepared for a honeycomb-based pressure sensor. Air holes are carved in silicon-based semiconductor material with a hexagonal structure.

Lohan wore her new honeycomb blonde hair in a center part, tucked behind her ears, falling sleek and straight down her back. The look was courtesy of Lohan's long-time stylist Danielle Priano.

This is especially true for auxetic material designs, such as the prototypical re-entrant honeycomb with sharp corners, which are particularly susceptible to stress concentrations. There is a pressing ...