Results 51 to 60 of about 783 (244)

The Politics of Heroes’ Body: Ethnographying the Training of Foreign Astronauts in Russia

open access: yesCorpus Mundi, 2020
If the literature in the history of the Soviet space program is extremely prolific since the 1960s, including regarding cosmonaut embodiment, a lack remains regarding the contemporary reality of human spaceflight in Russia.
Julie Patarin-Jossec
doaj   +1 more source

Tracing Three Decades of Low Earth Orbit Satellite Communication Development: A Bibliometric and Main Path Analysis of Network Architectures, Protocol Evolution, and Emerging Intelligent Services

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT Low Earth Orbit (LEO) satellite communication systems have evolved into a critical component of global broadband networks, enabling wide‐area connectivity, IoT services, and intelligent multilayer satellite–terrestrial integration. Despite rapid advancements in constellation deployment, routing mechanisms, resource management, and LEO–5G/6G ...
Wei‐Hao Su   +2 more
wiley   +1 more source

Diversity mechanisms of long-term changes in phytoplankton biomass and productivity in the Southern Ocean: comparison in the Amundsen and Cosmonaut Seas

open access: yesFrontiers in Marine Science
IntroductionGlobal warming and glacier melt are transforming Southern Ocean ecosystems, profoundly affecting phytoplankton dynamics. This study investigates long-term phytoplankton changes in the Amundsen and Cosmonaut Seas, focusing on responses to ...
Xinyu Zheng   +9 more
doaj   +1 more source

Polar baseline surface radiation measurements during the International Polar Year 2007–2009 [PDF]

open access: yesEarth System Science Data, 2011
Downwelling and upwelling shortwave and longwave radiation components from six active polar sites, taking part of the Baseline Surface Radiation Network (BSRN), were selected for the period of the last International Polar Year (March 2007 to March 2009),
C. Lanconelli   +7 more
doaj   +1 more source

Proposing a Framework to Center Justice in Ambitious Science Teaching

open access: yesScience Education, EarlyView.
ABSTRACT Though educators and researchers have developed shared theory and language for priorities necessary to disrupt the status quo toward more equitable science education, we lack a tool that organizes sets of teaching practices across an instructional unit to support enactment and rehearsal.
April Luehmann   +8 more
wiley   +1 more source

From Proxies to System State: Defining Sustainability Management Against Symbolic Progress

open access: yesSustainable Development, EarlyView.
ABSTRACT Sustainability in management is often measured through scores, ratings, and disclosure narratives that can reward symbolic progress while leaving underlying social‐ecological conditions unchanged. This perspective paper offers a definition of Sustainability Management as how organizations plan, organize, lead, and control (four management ...
Yiping Zhang, Olaf Weber
wiley   +1 more source

Key Technical Fields and Future Outlooks of Space Manipulators: A Survey

open access: yesSmartBot, EarlyView.
This paper systematically reviews the technological development of space manipulators, emphasizing the unique challenges posed by space environments. It examines four areas: structural design, modeling, planning, and control, while introducing typical ground test platforms.
Gang Chen   +12 more
wiley   +1 more source

Digital Ecosystems as a Driver for the Development of High-Tech Industries / Цифровые экосистемы как драйвер развития высокотехнологичных производств

open access: yesBeneficium
High-tech industries, being the basis of the country's innovative development, are becoming the object of increased interest from scientists, experts and the state.
Mikhail Ya. Veselovsky / Михаил Я. Веселовский   +2 more
doaj   +1 more source

On Anomalous Fluorescence of Symmetrical Polymethine Dyes

open access: yesInternational Journal of Optics, 2020
The group-theoretical analysis of polymethine dyes (PMD) showed that relaxation processes between the states S3 and S1 are forbidden, either by radiation or by internal conversion. From the state S3, only transition to the ground state of the molecule is
P. O. Kondratenko, Yu. M. Lopatkin
doaj   +1 more source

Cosmonaut Aleksey A. Leonov

open access: yes, 1974
Filed for release: June 7, 1974 JOHNSON SPACE CENTER, HOUSTON, TEXAS Cosmonaut Aleksey A.
Southwestern Oklahoma State University   +1 more
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