Results 251 to 260 of about 84,860 (301)

Optimization of Magnetic Milli‐Spinner for Robotic Endovascular Intervention

Advanced Robotics Research, EarlyView.
This work presents the design optimization of a multifunctional magnetic milli‐spinner for high‐speed propulsion and efficient clot debulking. The optimized design achieves an ultrafast swimming velocity of 55 cm/s (≈175 body lengths/s) in saline water, enabling stable upstream swimming against strong physiological flows and establishing magnetic milli‐
Lu Lu, Luca Higgins, Jack Bernardo, Ruike Renee Zhao   +3 more
wiley   +1 more source

Manipulating Ferroelectric Topological Polar Structures with Twisted Light. [PDF]

Adv Mater
Nazirkar NP, Tran V, Bassène P, Ndiaye A, Barringer J, Jiang J, Cha W, Harder R, Shi J, N'Gom M, Fohtung E.   +10 more
europepmc   +1 more source

Passive control of wing-tip vortices through a grooved-tip design. [PDF]

Exp Fluids
Tan J, Ōtomo S, Viola IM, Liu Y.
europepmc   +1 more source

Domain engineering in ferroelectric nematics for nonlinear optical modulation. [PDF]

Sci Adv
Li CY, Xu XY, Yang J, Liu Y, Sun LY, Huang ZJ, Chakraborty S, Zhang Y, Ma LL, Aya S, Li BX, Lu YQ.   +11 more
europepmc   +1 more source

Modelling the Balance Axiom in Flow Theory: A Physiological and Computational Approach in STEAM Education. [PDF]

Sensors (Basel)
Rosas DA, Padilla-Zea N, Burgos D.
europepmc   +1 more source

A Revisit of Large-Scale Patterns in Middle Stratospheric Circulation Variations. [PDF]

Entropy (Basel)
Tao N, Chen X, Xie F, Zhang Y, Xia Y, Ma X, Huang H, Wang H.   +7 more
europepmc   +1 more source

Coercivity-Size Map of Magnetic Nanoflowers: Spin Disorder Tunes the Vortex Reversal Mechanism and Tailors the Hyperthermia Sweet Spot. [PDF]

Small Sci
Jefremovas EM, Calus L, Leliaert J.
europepmc   +1 more source

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Polarized vortex reconnection

Journal of Fluid Mechanics, 2021
Abstract
Jie Yao, Fazle Hussain
openaire   +1 more source

Dual Coaxial Longitudinal Polarization Vortex Structures

Physical Review Letters, 2020
Carrying orbital angular momentum per photon, the optical vortex has elicited widespread interest. Here, we demonstrate that dual coaxial longitudinal polarization vortices can appear upon a nonparaxial propagation of a tightly focused Pancharatnam-Berry tailored Laguerre-Gaussian beam. Most importantly, it is capable of accessing arbitrary independent
Man, Z. (author), Xi, Z. (author), Yuan, Xiaocong (author), Burge, R. E. (author), Urbach, Paul (author)   +4 more
openaire   +4 more sources

Mars' Annular Polar Vortex

2020
<p><span>The Martian winter polar vortex </span><span>has recently been shown to be</span><span> annular in nature, with a local minimum in potential vorticity near the pole. This suggests barotropic instability, yet the vortex is remarkably persistent.
Emily Ball, Dann Mitchell, William Seviour, Geoffrey Vallis, Stephen Thomson   +4 more
openaire   +1 more source