Results 111 to 120 of about 656,999 (330)

Freeform Fabrication of Layered Halide Perovskite Nanowire Heterojunctions

open access: yesAdvanced Materials, EarlyView.
‘All‐at‐once’ freeform fabrication of layered perovskite nanowire heterojunctions is realized by 3D printing employing meniscus‐guided crystallization. The integration of nanoscale additive manufacturing with layered halide perovskites will provide a versatile platform to freely design and realize highly stable perovskite‐based optoelectronic ...
Sixi Cao   +8 more
wiley   +1 more source

Space Shuttle orbiter modifications to support Space Station Freedom [PDF]

open access: yes
The Space Shuttle will be the primary vehicle to support the launch, assembly, and maintenance of the Space Station Freedom (SSF). In order to accommodate this function, the Space Shuttle orbiter will require significant modifications.
Lichtenfels, Allyson, Segert, Randall
core   +1 more source

Self‐Regulating Sodium‐Ion Battery Materials: From Phase Reconstruction to Functional Activation

open access: yesAdvanced Materials, EarlyView.
Self‐regulating sodium‐ion batteries hinge on programmable phase behavior in layered oxides, interphases that renew without growth, and electrolytes that steer solvation and chemistry. This review distills mechanisms into design rules that span composition, site and entropy tuning, and self‐buffering anodes, linking operando evidence to choices and ...
Hong Gao   +10 more
wiley   +1 more source

The Development of the Right of Assembly - A Current Socio-Legal Investigation [PDF]

open access: yes, 1967
It will be the purpose of this article to assay the historical evolution of the freedom of assembly, noting first its development in England and later in America and finally its current position in the twentieth century.
Smith, George P., II
core   +1 more source

Why Is the Mechanism Underlying the Chiral‐Induced Selectivity Effect Still Challenging?

open access: yesAdvanced Materials, EarlyView.
The chiral‐induced spin selectivity (CISS) effect is observed in many experimental configurations and for different materials. However, there are theoretical challenges in attempting to explain those results. A qualitative framework for explaining all the results is presented.
Ron Naaman, Yossi Paltiel
wiley   +1 more source

Force reflecting hand controller [PDF]

open access: yes, 1993
A universal input device for interfacing a human operator with a slave machine such as a robot or the like includes a plurality of serially connected mechanical links extending from a base.
Mcaffee, Douglas A.   +2 more
core   +1 more source

Chiral Metal Halide Perovskites for Spin‐Polarized Light‐Emitting Diodes

open access: yesAdvanced Materials, EarlyView.
Chiral metal–halide perovskites offer a route to circularly polarized light without external polarizers. This Perspective compares two spin‐light emitting diode concepts: intrinsically chiral emissive layers and chiral spin‐filter interlayers that inject spin‐polarized carriers into efficient achiral emitters.
Ashish Gaurav   +8 more
wiley   +1 more source

The walking robot project [PDF]

open access: yes, 1991
A walking robot was designed, analyzed, and tested as an intelligent, mobile, and a terrain adaptive system. The robot's design was an application of existing technologies.
Bennett, M.   +3 more
core   +1 more source

High‐Performance, Paper‐Based Microelectronics via a Micromodular Fabrication Process

open access: yesAdvanced Materials Interfaces, EarlyView.
This study demonstrates high‐performance silicon micromodular transistors on cellulose nanomaterial‐coated paper, with interconnects formed via e‐jet printing. Transistors exhibit excellent electrical properties and maintain performance under applied strain.
Rebecca K. Banner   +9 more
wiley   +1 more source

Space Station attached payloads [PDF]

open access: yes
The Space Station Freedom is being designed and developed with user requirements being used to shape the configuration. Plans include accommodation provisions for a wide variety of attached payloads including the Earth sciences research activities which ...
Clark, Lenwood G.
core   +1 more source

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