Results 131 to 140 of about 26,046 (295)

First results of an on-line adaptive optics system with atmospheric wavefront sensing by an artificial neural network

open access: bronze, 1992
Michael Lloyd‐Hart   +8 more
openalex   +1 more source

Infrared Neural Stimulation Elicits Distinct Molecular Pathways in Astrocytes Based on Laser Pulse Parameters

open access: yesAdvanced Biology, EarlyView.
Infrared (IR) light evokes distinct calcium and water transport responses in astrocytes, depending on stimulation duration and protocol. This study uses widefield imaging and pharmacology to reveal differential engagement of astroglial signaling pathways.
Wilson R. Adams   +7 more
wiley   +1 more source

Telescope Alignment Method Using a Modified Stochastic Parallel Gradient Descent Algorithm

open access: yesPhotonics
To satisfy the demands of high image quality and resolutions, telescope alignment is indispensable. In this paper, a wavefront sensorless method based on a modified stochastic parallel gradient descent algorithm (SPGD) called the adaptive moment ...
Min Li, Xin Liu, Junbo Zhang, Hao Xian
doaj   +1 more source

Initial results from the Lick Observatory laser guide star adaptive optics system [PDF]

open access: green, 1995
Scot S. Olivier   +10 more
openalex   +1 more source

Soft‐Layered Composites with Wrinkling‐Activated Multi‐Linear Elastic Behavior, Stress Mitigation, and Enhanced Strain Energy Storage

open access: yesAdvanced Engineering Materials, EarlyView.
In this study, exciting new bi‐/multi‐linear elastic behavior of soft elastic composites that accompany the activation of wrinkling in the embedded interfacial layers is analyzed. The new features and performance of these composite materials, including dramatic enhancements in energy storage, can be tailored by the concentration of interfacial layers ...
Narges Kaynia   +2 more
wiley   +1 more source

Consolidate Overview of Ribonucleic Acid Molecular Dynamics: From Molecular Movements to Material Innovations

open access: yesAdvanced Engineering Materials, EarlyView.
Molecular dynamics simulations are advancing the study of ribonucleic acid (RNA) and RNA‐conjugated molecules. These developments include improvements in force fields, long‐timescale dynamics, and coarse‐grained models, addressing limitations and refining methods.
Kanchan Yadav, Iksoo Jang, Jong Bum Lee
wiley   +1 more source

First Light Adaptive Optics Images from the Keck II Telescope: A New Era of High Angular Resolution Imagery [PDF]

open access: bronze, 2000
Peter Wizinowich   +17 more
openalex   +1 more source

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