Results 171 to 180 of about 9,614 (265)

Evidence for the gravity-driven and magnetically regularized gas flows feeding the massive protostellar cluster in Cepheus A. [PDF]

open access: yesSci Adv
Sandhyarani P   +10 more
europepmc   +1 more source

Two Unidentified Emission Lines in Of Stars [PDF]

open access: yesPublications of the Astronomical Society of the Pacific, 1963
openaire   +1 more source

Optical Signature of Moiré Superlattices Formed by Twisted SrTiO3 Membranes

open access: yesAdvanced Functional Materials, EarlyView.
We discover optical signatures from bonded interfaces in twisted SrTiO3 moiré superlattices, including low‐frequency Raman vibrational modes and strong second‐harmonic generation, consistent with strong interlayer coupling inferred from cross‐sectional electron microscopy and ab initio calculations. ABSTRACT Moiré superlattices formed at the interfaces
T. A. M. Ragib Shahriar   +13 more
wiley   +1 more source

Spectroscopic Supermassive Dark Star candidates. [PDF]

open access: yesProc Natl Acad Sci U S A
Ilie C, Mahmud SS, Paulin J, Freese K.
europepmc   +1 more source

Versatile Pneumatic Twisted Coiled Actuators Enabled by Fiber‐Polymer Composite Fabrication

open access: yesAdvanced Functional Materials, EarlyView.
This work reports composite Pneumatic Twisted Coiled Actuators with embedded Kevlar fibers that convert pneumatic or hydraulic pressure into powerful linear motion. A novel precise manufacturing technique is used to systematically explore how design variables influence actuator mechanics and dynamics.
William J. Townsend   +5 more
wiley   +1 more source

Measuring the magnetic fields in the chromospheres of low-mass stars. [PDF]

open access: yesNat Commun
Cang T   +13 more
europepmc   +2 more sources

Rotational Characterization of Four-Ring Polycyclic Aromatic Hydrocarbons: Toward the Detection of Fluoranthene and Cyanofluoranthene in Space. [PDF]

open access: yesJ Phys Chem Lett
Villar-Castro D   +10 more
europepmc   +1 more source

Spectrographic Observations of Emission-Line Stars.

open access: yesThe Astrophysical Journal, 1954
E. Margaret Burbidge, G. R. Burbidge
openaire   +1 more source

From Photoalignment to Structured Light: Liquid Crystal Platforms for Beam Shaping and Complex Wavefronts

open access: yesAdvanced Functional Materials, EarlyView.
Photoaligned and photopatterned liquid crystal platforms provide programmable control of optical phase, polarization, and spin‐orbit interactions, enabling compact generation of structured light and complex wavefronts. This review highlights how tailored molecular orientations transform simple beams into designed optical fields, opening versatile ...
Le Zhou   +6 more
wiley   +1 more source

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