Results 91 to 100 of about 1,578,105 (322)
The Arrow of Time in Quantum Theory
AtomsIn Classical Mechanics, time is reversible, i.e., it implies no particular choice: only the observer knows in which direction it flows. The present article re-examines whether this remains true in Quantum Mechanics.
Jean-Patrick Connerade
doaj +1 more source
Demonstrations for Children of All Age- The Cork Canon [PDF]
, 1999 Demonstrations are one of the most useful techniques for teaching science to anyone, regardless of age. Demonstrations attract attention and normally make the observer want to learn more about what is happening. This paper reports on The Cork Cannon, one
Thornton, S.
core +1 more source
Bouncing Brane Cosmologies from Warped String Compactifications
, 2002 We study the cosmology induced on a brane probing a warped throat region in a Calabi-Yau compactification of type IIB string theory. For the case of a BPS D3-brane probing the Klebanov-Strassler warped deformed conifold, the cosmology described by a ...
A. Kehagias +31 more
core +1 more source
The observer’s ghost: notes on a field space connection [PDF]
Journal of High Energy Physics, 2016 We introduce a functional covariant differential as a tool for studying field space geometry in a manifestly covariant way. We then touch upon its role in gauge theories and general relativity over bounded regions, and in BRST symmetry. Due to the Gribov
H. Gomes, A. Riello
semanticscholar +1 more source
FEBS Letters, EarlyView.Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi +5 more
wiley +1 more source
We derive finite-dimensional quantum mechanics from five constraints on observers and one invariance principle. The constraints: observers are finite physical systems inside the world they observe, with finite causally-ordered memory, bounded information storage, interaction-only epistemology, and physical states defined by indistinguishability under ...
+12 more sources
FEBS Letters, EarlyView.Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho +3 more
wiley +1 more source
The Philosophy of Perception: An explanation of Realism, Idealism and the Nature of Reality [PDF]
, 2016 This paper investigates the nature of reality by looking at the philosophical debate between realism and idealism and at scientific investigations in quantum physics and at recent studies of animal senses, neurology and cognitive psychology.
Marianne, Forrester Rochelle
core
Factorization and escorting in the game-theoretical approach to non-extensive entropy measures
, 2005 The game-theoretical approach to non-extensive entropy measures of statistical physics is based on an abstract measure of complexity from which the entropy measure is derived in a natural way.
Ferri +3 more
core +1 more source
Calpain small subunit homodimerization is robust and calcium‐independent
FEBS Letters, EarlyView.Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy +4 more
wiley +1 more source