Results 241 to 250 of about 579,982 (342)
A giant disk galaxy two billion years after the Big Bang. [PDF]
Wang W +16 more
europepmc +1 more source
A rotational energy harvesting device that successfully reconciles high power density with mechanical durability through a hybrid sliding‐and‐bouncing kinematic mechanism is reported. The success reported in our paper includes addressing a dilemma where enhanced electrical output comes at the cost of increased friction and wear, limiting the practical ...
Yihong Lin +12 more
wiley +1 more source
Precise orbital parameters,masses, and parallax of the subgiant binary system 12 Persei: a combined spectroscopic-interferometric analysis. [PDF]
Abushattal AA +8 more
europepmc +1 more source
Nuclear mechanical properties are inherently scale‐dependent, arising from a hierarchical architecture that spans DNA, chromatin, the nuclear envelope, and condensates. Experimental techniques and theoretical models are integrated into a cohesive multiscale framework linking nanoscale structural features to organelle‐level mechanical behavior.
Xinran Liu +15 more
wiley +1 more source
Using a neural network approach and starspots dependent models to predict effective temperatures and ages of young stars. [PDF]
Tarantino M +4 more
europepmc +1 more source
An origami worm‐inspired robot achieves multimodal locomotion in confined pipelines through mechatronic integration that embeds actuation, control, and communication within each origami module. Large, reversible configuration and dimensional changes enable 25 gaits synthesized by a unified framework across peristaltic, inchworm, and wheel‐rolling modes
Qiwei Zhang +6 more
wiley +1 more source
The emergence of globular clusters and globular-cluster-like dwarfs. [PDF]
Taylor ED +9 more
europepmc +1 more source
To overcome severe signal oscillation under extreme impact conditions, this work presents a Sensing‐in‐Energy microdevice which integrates a MEMS inertial structure directly within a supercapacitor electrolyte cavity. Utilizing shock‐driven transient contact and electrolyte damping for signal self‐filtering, it achieves weak‐oscillation, large ...
Zhihao Zheng +7 more
wiley +1 more source

