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Article archives
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Landau singularities revisited
Scientists have used computational algebraic geometry to study predictions for particle physics experiments, such as those at the Large Hadron Collider (LHC). These experiments, in combination with new mathematical tools, help to solve unanswered questions in physics in a much faster way and have a profound impact on our understanding of nature. When studying particle […]
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New multispecies compact ion source and efficient experimental proton beam characterization
Any particle accelerator needs a reliable electron or ion source as a first, humble but essential and critical component. The world’s most powerful particle accelerator today -the Large Hadron Collider- extracts its protons from a single bottle of Hydrogen gas. Ion sources produce beams for a large variety of different scientific experiments, industrial processes and […]
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MI weekly selection #563
Seahenge may have been built to combat climate change Seahenge, an ancient timber monument discovered on an English beach, may have been built to counteract climate deterioration, according to a study in GeoJournal. The research suggests that Seahenge and the nearby Holme II were ritual structures aimed at bringing warmth during periods of severe cold […]
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Synthesis of organometallic helicenes by simple combinations
“Helicene” is the name introduced by Newman in 1955, to describe the benzologues of phenanthrene in which the extra ortho -condensed rings give rise to a (regular) cylindrical helix. The pioneer work of Newman in this field cannot be overemphasized; his brillant synthesis and resolution of [6]helicene will remain as a landmark, for it opened […]
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Taste receptors: not only in the mouth, not only for taste
The perception of food occurs when food enters the oral cavity and depends on the action of three complementary sensory systems: somesthesia (a group that includes mechanoreception, thermal sensation and nociception), retronasal olfaction and taste. Taste is one of the five classical senses, along with smell, touch, hearing and sight. One of the most common […]
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Stable, high-energy-density and fast charging lithium-ion batteries
Convenient fast charging and energy density of lithium-ion batteries have long been considered a trade-off, which has hindered the widespread adoption of electric vehicles. A new process will help develop stable, high-energy-density lithium-ion batteries capable of fast charging. A crucial prerequisite for the widespread adoption of electric vehicles (EVs) is the enhancement of lithium-ion battery […]
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The Language Puzzle: How it all began
It is clear that the world began before human beings learned to speak and even long before they made their appearance. However, as far as we are concerned and from our subjective point of view, “everything” began when we were able to articulate our thoughts as a sequence of meaningful words, for it was then […]
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MI weekly selection #562
Evolution may have moved energy to brain from ovaries Human brain growth may have taken off by seizing energy left after ovarian follicles adapted to require less fuel. The math shows that evolution freed up about the same amount of energy from follicular maintenance that human brains needed to reach their current size. Full Story: […]
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An odd nonlinear conductivity in chiral tellurium
Electrical transport in non-centrosymmetric materials departs from the well-established phenomenological Ohm’s law. Instead of a linear relation between current and electric field, a non-linear conductivity emerges along specific crystallographic directions. This non-linear transport is fundamentally related to the lack of spatial inversion symmetry. Ohm’s law is one of the most established relations in Physics and […]