Results 81 to 90 of about 47,904 (244)
Understanding the response of plants to varied gravitational conditions is vital for developing effective food production in space bioregenerative life support systems.
Leone Ermes Romano +4 more
doaj +1 more source
Absorption and scattering of a black hole with a global monopole in f(R) gravity
In this paper we consider the solution of a black hole with a global monopole in f(R) gravity and apply the partial wave approach to compute the differential scattering cross section and absorption cross section.
M.A. Anacleto +3 more
doaj +1 more source
Mechanically origami‐coded 3D kirigami photovoltaics convert a single extension–release cycle into deterministic self‐folding, reconfiguring planar solar cells into programmable 3D modules. Distinct coding strategies enable either ultrahigh stretchability (500% system strain) or ultrahigh initial effective areal coverage (225%).
Seok Joon Hwang +15 more
wiley +1 more source
End of the world brane meets T T ¯ $$ T\overline{T} $$
End of the world branes in AdS have been recently used to study problems deeply connected to quantum gravity, such as black hole evaporation and holographic cosmology.
Feiyu Deng, Zhi Wang, Yang Zhou
doaj +1 more source
We address the inherently weak particle adhesion of conventional air filters by coating a dynamically crosslinked adhesive layer that delivers capillarity‐driven strong adhesion and particle absorption mediated by dynamic bond exchange. The resulting enhancement in particle adhesion enables efficient ultrafast (up to 20 m s−1) and omnidirectional ...
Junyong Park +11 more
wiley +1 more source
Fractional branes and the gravity dual of partial supersymmetry breaking [PDF]
20 pages, no figures, references ...
openaire +2 more sources
Stacked nanoflake assembly (SNA) membranes can oscillate autonomously, offering opportunities for soft actuation and energy harvesting. This work uncovers the physical mechanism behind the sustained oscillation of SNA membranes in gradient humidity and identifies three governing dimensionless parameters, enabling rational design for optimizing SNA ...
Zijing Zhang +5 more
wiley +1 more source
Comparison of Microgravity Analogs to Spaceflight in Studies of Plant Growth and Development
Life on Earth has evolved under the influence of gravity. This force has played an important role in shaping development and morphology from the molecular level to the whole organism. Although aquatic life experiences reduced gravity effects, land plants
John Z. Kiss +6 more
doaj +1 more source
Cool flames at terrestrial, partial, and near-zero gravity
Natural convection plays an important role in all terrestrial, Lunar, and Martian-based, unstirred, static reactor cool flame and low-temperature autoignitions, since the Rayleigh number (Ra) associated with the self-heating of the reaction exceeds the critical Ra (approximately 600) for onset of convection.
Foster, Michael R, Pearlman, Howard
openaire +2 more sources
A titania‐supported Co1/Ru single‐atom alloy catalyst enables efficient polypropylene hydrogenolysis. Ru─Co─Ru motifs maintain Ru activity while suppressing excessive chain scission to gaseous products. Both virgin and waste plastics achieve high, environmentally and economically optimal C11+ liquid yields, supporting sustainable chemical recycling ...
Yuzhen Ge +6 more
wiley +1 more source

