Results 191 to 200 of about 491,279 (390)

Design of a cold gas micro thruster [PDF]

open access: yes, 2006
Keywords: Micro satellites, Micro propulsion, MEMS ...
Jansen, H.V.   +4 more
core   +2 more sources

Nuclear Propulsion for Space Vehicles [PDF]

open access: bronze, 1968
Robert S. Cooper
openalex   +1 more source

Demonstration of an All‐Optical AND Gate Mediated by Photochromic Molecules

open access: yesAdvanced Functional Materials, EarlyView.
A logic AND gate that runs on photons is demonstrated. It relies on two spatially separated photochromic molecules that work in tandem. Abstract The realization of a photonic logic AND gate, i.e. a logic AND gate that runs on photons rather than electrons, and where all steps are controlled by light, is demonstrated. In a proof‐of‐principle experiment,
Heyou Zhang   +7 more
wiley   +1 more source

STOVL aircraft simulation for integrated flight and propulsion control research [PDF]

open access: yes
The United States is in the initial stages of committing to a national program to develop a supersonic short takeoff and vertical landing (STOVL) aircraft.
Drummond, Colin K., Mihaloew, James R.
core   +1 more source

A Universal Way to Manipulate Droplet via Light‐Fueled Thermocapillary Convection

open access: yesAdvanced Functional Materials, EarlyView.
A non‐contact light‐induced droplet manipulation strategy fueled by mid‐infrared (MIR) light irradiation is introduced. No additional additives and/or complex substrate are required. Here, thermocapillary convection, directly generated by temperature gradient at outer surface of droplet via localized surface heating, plays a key role to propel the ...
Hyesun Hwang   +5 more
wiley   +1 more source

Elements of cost comparison for planetary missions with advanced propulsion [PDF]

open access: yes
Cost and performance comparisons are made between chemical propulsion and nuclear electric propulsion for planetary missions at Jupiter and beyond. Nuclear rocket comparisons are made for performance only.
Stearns, J. W.
core   +1 more source

Metal Nanoclusters for Cancer Imaging and Treatment

open access: yesAdvanced Functional Materials, EarlyView.
This review aims to provide a comprehensive summary and discussion of the core–shell design capabilities of metal nanoclusters (NCs) at the atomic level for cancer imaging and treatment. It offers essential insights into the design principles of metal NCs while also encouraging the exploration of other nanomaterials and their potential theranostic ...
Haiguang Zhu   +5 more
wiley   +1 more source

Propulsion Working Group report [PDF]

open access: yes
Existing technology limits and performances, high payoff technologies, propulsion technologies, electric propulsion systems, and advanced bipropellant systems are ...
Kelley, James H.   +2 more
core   +1 more source

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