Results 261 to 270 of about 1,925,015 (386)

Three-dimensional quantum gravity coupled to gauge fields [PDF]

open access: green, 1994
Ray L. Renken   +2 more
openalex   +1 more source

DuckyDog: An Erect Amphibious Robot with Variable‐Stiffness Legs and Passive Fins

open access: yesAdvanced Intelligent Systems, EarlyView.
DuckyDog, a quadruped amphibious robot using erect posture, is proposed with dog‐inspired tendon‐driven compliant legs for walking and paddling, a duck‐inspired body for buoyancy, and passive fins to increase propulsion. It achieves maximum speeds of 0.4 body lengths per second on land and 0.3 on water, demonstrating the ability to navigate in complex ...
Yilin Wang   +3 more
wiley   +1 more source

Dark matter in quantum gravity. [PDF]

open access: yesEur Phys J C Part Fields, 2018
Calmet X, Latosh B.
europepmc   +1 more source

Precise Real‐Time Measurement of Liquid Viscosity Using Digital Video Data

open access: yesAdvanced Intelligent Systems, EarlyView.
Frame‐by‐frame image similarity analysis is employed to obtain the viscosity of moving liquids in real time. The method allows for online implementation even in harsh environments, replacing complex and invasive experiments. Quantitative knowledge of liquid viscosity is of fundamental importance in many areas of materials synthesis and processing ...
Zhiwen Pan   +7 more
wiley   +1 more source

Towards apparent convergence in asymptotically safe quantum gravity. [PDF]

open access: yesEur Phys J C Part Fields, 2018
Denz T, Pawlowski JM, Reichert M.
europepmc   +1 more source

Ultralight Soft Wearable Haptic Interface with Shear‐Normal‐Vibration Feedback

open access: yesAdvanced Intelligent Systems, EarlyView.
This study proposes soft wearable haptic interface using pneumatic actuators and origami pumps. This interface can generate multiple sensations such as touching, slipping, and vibrating. To show performance and wearability of this interface, virtual reality is connected with the interface, and user tests are conducted.
Jiyong Min   +3 more
wiley   +1 more source

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