Results 91 to 100 of about 38,554 (239)
Historical perspectives: The role of the NASA Lewis Research Center in the national space nuclear power programs [PDF]
The history of the NASA Lewis Research Center's role in space nuclear power programs is reviewed. Lewis has provided leadership in research, development, and the advancement of space power and propulsion systems.
Bloomfield, H. S., Sovie, R. J.
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Micro/Nanorobot for Drug Delivery—A Review of Material Selections
Advanced NanoBiomed Research, Volume 6, Issue 3, March 2026.This review explores material strategies for biomedical micro/nanorobots, emphasizing their roles in propulsion, navigation, drug delivery, and biodegradability. It highlights advancements in metallic, polymeric, and hybrid materials, while addressing clinical translation challenges such as toxicity, immune response, and manufacturability.
Xiaozhuo Wu, Bingyun Li, Malcolm Xing
wiley +1 more source
The Measured Permeability to Nitrogen Tetroxide of Some Potential Bladder Materials [PDF]
Expulsion bladder material permeability to nitrogen tetroxide for rocket engine propulsion ...
Stanford, H. B.
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Fail‐Controlled Classifiers: A Swiss‐Army Knife Toward Trustworthy Systems
Software: Practice and Experience, Volume 56, Issue 3, Page 239-259, March 2026.ABSTRACT Background Modern critical systems often require to take decisions and classify data and scenarios autonomously without having detrimental effects on people, infrastructures or the environment, ensuring desired dependability attributes. Researchers typically strive to craft classifiers with perfect accuracy, which should be always correct and ...
Fahad Ahmed Khokhar +4 more
wiley +1 more source
Journal of Geophysical Research: Planets, Volume 131, Issue 3, March 2026.Abstract The flux of solar system meteoroids is dominated by objects less than 1 mm in diameter whose impact effects play a major role in the space weathering of airless body surfaces. These effects remain poorly characterized with respect to their dependence on the range of impact speeds for meteoroids across the inner solar system.
R. Christoffersen +8 more
wiley +1 more source
Large Liquid Rocket Testing: Strategies and Challenges [PDF]
Rocket propulsion development is enabled by rigorous ground testing in order to mitigate the propulsion systems risks that are inherent in space flight.
Hebert, Bartt J., Rahman, Shamim A.
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Geophysical Research Letters, Volume 53, Issue 4, 28 February 2026.Abstract Previous observations have demonstrated that rocket exhaust can trigger ionospheric electron density holes and cause electron temperature enhancements during launches. Using high‐precision measurements from the Sanya incoherent scatter radar, we discovered a previously overlooked decrease in electron temperature.
Linxuan Zhao +10 more
wiley +1 more source
Rocket Based Combined Cycle (RBCC) Propulsion Technology Workshop. Volume 1: Executive summary [PDF]
The goal of the Rocket-Based Combined Cycle (RBCC) Propulsion Technology Workshop was to assess the RBCC propulsion system's viability for Earth-to-Orbit (ETO) transportation systems.
Chojnacki, Kent T.
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Blistering barnacles: Space physiology in The Adventures of Tintin
Experimental Physiology, EarlyView.
Jacob P. Hartmann +4 more
wiley +1 more source
Cargo transfer vehicle RCS propellant contamination issues [PDF]
The purpose of this report is to address Cargo Transfer Vehicle (CTV) RCS contamination issues and contribute to the resources necessary to optimize the vehicle and propulsion systems required in the CTV of the National Launch System (NLS) Heavy Lift ...
Ballard, Richard O.
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