Results 121 to 130 of about 34,313 (303)

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

Advanced 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, Dehong Wang, Jing Li, Shijing Zhang, Yingxiang Liu   +4 more
wiley   +1 more source

Ringed versus Ringless Worlds: How Poynting–Robertson Drag Shapes Rings across the Solar System

The Astrophysical Journal Letters
Planetary rings are not only ubiquitous around the giant planets in the outer solar system, but have also been discovered around several small distant bodies. In contrast, no rings have been observed around any inner solar system objects.
Ryuki Hyodo, Shigeru Ida
doaj   +1 more source

Planetary volatiles [PDF]

, 1982
Initial and present volatile inventories and distributions in the Earth, other planets, meteorites, and comets; observational evidence on the time history of volatile transfer among reservoirs; and volatiles in planetary bodies, their mechanisms of ...

core  

Multimodal Locomotion in Insect‐Inspired Microrobots: A Review of Strategies for Aerial, Surface, Aquatic, and Interfacial Motion

Advanced Robotics Research, EarlyView.
This review identifies key design considerations for insect‐inspired microrobots capable of multimodal locomotion. To draw inspiration, biological and robotic strategies for moving in air, on water surfaces, and underwater are examined, along with approaches for crossing the air–water interface.
Mija Jovchevska, Kaushik Jayaram, Nicole Xu   +2 more
wiley   +1 more source

Lunar and Planetary Science twenty-five

, 1994
You must extract the zipped files before using. To begin viewing the abstracts, click on the file "index.html."Papers from the conference are presented, and the topics covered include the following: planetary geology, meteorites, planetary composition ...

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Atmospheric Escape Processes and Planetary Atmospheric Evolution

, 2020
The habitability of the surface of any planet is determined by a complex evolution of its interior, surface, and atmosphere. The electromagnetic and particle radiation of stars drive thermal, chemical, and physical alteration of planetary atmospheres ...
Simon-Wedlund, C., Weimer, D. R., Curry, S., Erwin, J., Bell, J., Weimer, D., A. Glocer, Glocer, A., Maggiolo, R., Arras, P., Moore, W.B., Cessateur, G., Bell, J. M., K. Garcia‐Sage, J. M. Bell, Garcia‐Sage, K., Moore, W. B., G. Gronoff, S. Baraka, Garcia-Sage, K., Baraka, S., Cohen, O., Parkinson, C. D., Moore, W., O. Cohen, Curry, S. M., Garraffo, C., W. B. Moore, Simon Wedlund, C., Drake, J.J., Weimer, D.R., K. Lovato, S. M. Curry, Drake, J., P. Arras, Heavens, N., Parkinson, C., D. R. Weimer, N. G. Heavens, R. Maggiolo, Heavens, N. G., C. Garraffo, Drake, J. J., J. Erwin, Gronoff, G., Elrod, M., Lovato, K., Heavens, N.G., C. D. Parkinson, C. Simon Wedlund, Curry, S.M., J. J. Drake, M. Elrod, G. Cessateur, Bell, J.M., Parkinson, C.D.   +55 more
core   +1 more source

Autonomous Locomotion of Tensegrity Structure on Low‐Temperature Surfaces

Advanced Robotics Research, EarlyView.
A low‐temperature responsive tensegrity structure (LRTS) is constructed by integrating low‐responsive temperature liquid crystal elastomer (LCE) cables, nonresponsive cables, and stiff rods. The low phase transition temperature of LCE is achieved by introducing a new liquid crystal mesogen.
Changyue Liu, Kai Li, Tianyu Li, Zixuan Wang, Jiping Yang, Zhijian Wang   +5 more
wiley   +1 more source

Wolf-Rayet Central Stars of Planetary Nebulae: Their Evolution and Properties

, 2010
Over the past decade, the number of planetary nebula central stars (CSPN) known to exhibit the Wolf-Rayet (WR) phenomenon has grown substantially. Many of these discoveries have resulted from the Macquarie/AAO/Strasbourg Halpha (MASH) PN Survey. While WR
Frew, DJ, Depew, K, De Marco, O, Parker, QA   +3 more
core  

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source

Evolution of Martian volatiles [PDF]

, 1996
Topics covered include: early Mars volatile inventory, evolution through time, geological influences, present atmospheric properties, soils, exobiology, polar volatiles, and seasonal and diurnal cycles.sponsored by Lunar and Planetary Instituteedited by ...

core   +2 more sources