Results 101 to 110 of about 207,815 (342)

Hard‐Magnetic Soft Millirobots in Underactuated Systems

open access: yesAdvanced Robotics Research, EarlyView.
This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang   +4 more
wiley   +1 more source

Tests of CPT invariance in gravitational waves with LIGO-Virgo catalog GWTC-1

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
A discovery of gravitational waves from binary black holes raises a possibility that measurements of them can provide strict tests of CPT invariance in gravitational waves.
Sai Wang, Zhi-Chao Zhao
doaj   +1 more source

Searches for Gravitational Waves from Binary Neutron Stars: A Review

open access: yes, 2007
A new generation of observatories is looking for gravitational waves. These waves, emitted by highly relativistic systems, will open a new window for ob- servation of the cosmos when they are detected.
A Abramovici   +70 more
core   +1 more source

Probing GHz Gravitational Waves with Graviton-magnon Resonance

open access: yes, 2020
A novel method for extending frequency frontier in gravitational wave observations is proposed. It is shown that gravitational waves can excite a magnon.
Ikeda, Tomonori   +3 more
core   +1 more source

Magnetic Field Driven Microrobot Based on Hydrogels

open access: yesAdvanced Robotics Research, EarlyView.
Hydrogel‐based magnetic microrobots synergize remote magnetic control with the biocompatibility of flexible hydrogels, emerging as promising tools for minimally invasive biomedicine. This enables remotely controllable, untethered navigation within complex biological microenvironments.
Juncai Song, Yubing Guo
wiley   +1 more source

Analytical and Numerical Methods for Circumbinary Disk Dynamics. II. Inclined Disks

open access: yesThe Astrophysical Journal
To gain insight into the dynamical influence of a supermassive black hole binary on a circumbinary accretion disk, we investigate the binary and viscous torque densities throughout such a disk, with emphasis on the final density distribution ...
Michal Pirog   +2 more
doaj   +1 more source

Stochastic Background of Relic Scalar Gravitational Waves tuned by Extended Gravity

open access: yes, 2009
A stochastic background of relic gravitational waves is achieved by the so called adiabatically-amplified zero-point fluctuations process derived from early inflation. It provides a distinctive spectrum of relic gravitational waves.
Capozziello, Salvatore   +1 more
core   +1 more source

Gravitational wave heating

open access: yesPhysical Review D
It was shown in previous work that when a gravitational wave (GW) passes through a viscous shell of matter the magnitude of the GW will be damped and there are astrohysical circumstances in which the damping is almost complete. The energy transfer from the GWs to the fluid will increase its temperature.
Vishnu Kakkat   +2 more
openaire   +2 more sources

Multidirectional Motion Strategy of Miniature Water Surface Robot Actuated by Single Exciter

open access: yesAdvanced Robotics Research, EarlyView.
A novel multidirectional motion strategy on the water surface based on a single exciter is proposed, and a single‐exciter single‐plate module is developed for actuation. The driving forces generation mechanism of the module is revealed from the perspective of the asymmetric surface wave field.
Haoxuan He   +4 more
wiley   +1 more source

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