Results 131 to 140 of about 2,894,101 (337)
Advanced Microfluidic‐Based Wearable Electrochemical Sensors for Continuous Biochemical Monitoring
Advanced Electronic Materials, EarlyView.Microfluidic‐based wearable electrochemical sensors are transforming non‐invasive health monitoring through real‐time biochemical analysis of sweat, saliva, and interstitial fluid. This review explores advances in microfluidic design, fabrication, and sensor integration while addressing biofluid variability, material compatibility, and scalability.
Sehyun Park +5 more
wiley +1 more source
Neuropsychopharmacology Reports, Volume 42, Issue 4, Page 457-467, December 2022., 2022 By using a wearable sensor we examined 3‐dimensional acceleration and heart rate variability (HRV) simultaneously in depressive episode of mood disorders. We found reduced activity and altered HRV indices in depressed patients, compared with healthy participants, particularly in males. Moreover, we found that sympathetic load during sleep significantly
Norie Koga +6 more
wiley +1 more source
Limits on the anomalous speed of gravitational waves from binary pulsars
, 2016 A large class of modified theories of gravity used as models for dark energy predict a propagation speed for gravitational waves which can differ from the speed of light.
Jiménez, Jose Beltrán +2 more
core +2 more sources
Gravitational Wave Holography [PDF]
International Journal of Theoretical Physics, 2007 19 pages, 2 figures.
openaire +3 more sources
The gravitational wave rocket [PDF]
Classical and Quantum Gravity, 1997 10 pages ...
M S Piper, W B Bonnor
openaire +4 more sources
Advancements in Machine Learning for Microrobotics in Biomedicine
Advanced Intelligent Systems, EarlyView.Microrobotics is an innovative technology with great potential for noninvasive medical interventions. However, controlling and imaging microrobots pose significant challenges in complex environments and in living organisms. This review explores how machine learning algorithms can address these issues, offering solutions for adaptive motion control and ...
Amar Salehi +6 more
wiley +1 more source
On the polarization of nonlinear gravitational waves [PDF]
arXiv, 2011 We derive a relation between the two polarization modes of a plane, linear gravitational wave in the second-order approximation. Since these two polarizations are not independent, an initially monochromatic gravitational wave loses its periodic character due to the nonlinearity of the Einstein field equations.
arxiv
Can the Gravitational Wave Background from Inflation be Detected Locally?
, 1993 The Cosmic Background Explorer (COBE) detection of microwave background anisotropies may contain a component due to gravitational waves generated by inflation.
A. D. Linde +32 more
core +2 more sources
Advanced Intelligent Systems, EarlyView.A novel soft, wearable haptic device integrates pneumatic and electromagnetic actuators to improve tactile signal transmission. Optimized with finite elements method simulations, it accurately transmits high‐frequency (texture) and low‐frequency (shape) signals. Experimental validation shows its suitability for applications in master–slave robotics and
Youngjun Ryu +4 more
wiley +1 more source
Cosmic Inflation and Genetic Algorithms
Fortschritte der Physik, Volume 71, Issue 1, January 2023., 2023 Abstract Large classes of standard single‐field slow‐roll inflationary models consistent with the required number of e‐folds, the current bounds on the spectral index of scalar perturbations, the tensor‐to‐scalar ratio, and the scale of inflation can be efficiently constructed using genetic algorithms.
Steve A. Abel +3 more
wiley +1 more source