Results 51 to 60 of about 1,939,761 (391)
'I want to be a TV historian when I grow up!': On Being a Rewind Historian
In 2004, I worked as a presenter on a new ABC TV program called Rewind. Produced as part of a special initiative to make programs about Australian history, Rewind used several historians as presenters and promised to tell new stories from Australia’s ...
Michelle Arrow
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Although the impact of post-acute COVID-19 syndrome (PACS) on patients and public health is undeniably significant, its etiology remains largely unclear. Much research has been conducted on the pathophysiology, shedding light on various aspects; however,
Alex Malioukis +3 more
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Quantum gravity, the initial low entropy state of the Universe, and the problem of time are interlocking puzzles. In this article, we address the origin of the arrow of time from a cosmological perspective motivated by a novel approach to quantum ...
Ashtekar +21 more
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Viral copy-number (VCN) assay is a powerful, effective method to quantify toxicity, cellular kinetics, and durability of virus-modified cell therapy products. The qualification and validation of assay requires reference control.
Raymond Wu +3 more
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Background/Objectives: Little is known about the advantages of Diffusion Tensor Imaging (DTI) when evaluating the fetal corpus callosum (CC), a sensitive indicator for normal brain development.
Liel N. Cohn +6 more
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Cycles of linear and semilinear mappings
We give a canonical form of matrices of a cycle of linear or semilinear mapping V_1 --- V_2 --- ... --- V_t --- V_1 in which all V_i are complex vector spaces, each line is an arrow ---> or
Bass +16 more
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Time, the Arrow of Time, and Quantum Mechanics
It is brought forward that viable theories of the physical world that have no variable at all that can play the role of time, do not exist; some notion of time is one of the very first ingredients a candidate theory should possess.
G. ’t Hooft
semanticscholar +1 more source
Discursive framework for a multi-disease digital health passport in Africa: a perspective
Africa’s dual burden of rising incidence of infectious diseases and increasing prevalence of non-communicable diseases (NCDs), such as cardiovascular diseases and diabetes, demands innovative approaches to disease surveillance, response, and cross-border
Gideon Towett +3 more
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Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Work, Energy, and Efficiency of a Recurve Bow
The shooting of a recurve bow was varied in two ways, changing draw distance and string length, to determine the relationship between work done in drawing the bowstring and the resulting kinetic energy of the arrow.
Sedthasard Kasetcharoenkit +1 more
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