Results 221 to 230 of about 1,586,837 (305)

Influence of Thermal Cycling on Friction, Wear, and Damage Evolution of Fused Deposition Modeling of 3D‐Printed Glass Fiber Reinforced Polylactic Acid Composites

open access: yesPolymer Composites, Volume 47, Issue 18, Page 16212-16232, 20 September 2026.
Schematic illustration of the experimental procedure of the specimens. ABSTRACT This research work investigated the effect of the cyclic thermo‐hygrometric aging regime between −20°C and +40°C with 0–400 cycles on the reciprocating tribological properties of fused deposition modeling (FDM) printed polylactic acid (PLA) and the same material reinforced ...
Sinan Fidan   +5 more
wiley   +1 more source

Silicon Photonic Beam Steerer Based on Metalens Focal Plane Array

open access: yesNanophotonics, Volume 15, Issue 17, 11 September 2026.
A silicon photonic beam steerer based on a metalens focal plane array (FPA) monolithically integrates the collimation lens on‐chip while enabling blind‐spot‐free continuous beam steering. Thermo‐optic prisms provide continuous fine‐tuning and more than double the number of resolvable points.
Chung‐Yu Hsu   +9 more
wiley   +1 more source

Low‐Complexity Phase–Transition‐Based VO2 Transmissive Reconfigurable Intelligent Surface for Indoor Millimeter‐Wave Communications

open access: yesNanophotonics, Volume 15, Issue 17, 11 September 2026.
We demonstrate a VO2‐based transmissive reconfigurable intelligent surface for indoor millimeter‐wave communication. The TRIS replaces conventional PIN and varactor diodes with geometrically tailored VO2 switches, enabling transmitted phase control through phase‐transition‐based switching.
Junghyeon Kim   +3 more
wiley   +1 more source

Unmanned Aerial Vehicles (UAVs) - the Future of Aerial Battlefield?

open access: yesThe Polish Journal of Aviation Medicine and Psychology, 2015
openaire   +1 more source

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