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For so-called eight-dimensional compactification of a string theory model referred to as F-theory, he says, the extra dimensions must be shaped like a K3 surface. SciTechDaily — Explaining Everything: Mathematicians Unravel a Thread of String Theory
While it’s likely that many of earth’s rare minerals will follow the fate of cryolite and become decimated in time, the world’s electronics industry must continue thriving to serve our growing population and help develop technologies for a greener future. We’re confident that graphene is the answer. The layered materials’ trove | Graphene Flagship
In an algae-eat-algae world, it's the single-celled photosynthetic organisms at the top (layer of the ocean) that absorb the most sunlight. Underneath, in the sublayers, are cryptophyte algae that must compete for photons that have filtered through the upper depths. The key to their survival, a study published on December 8 in Chem reveals, is the ability to more than triple how fast they capture light energy and funnel it through to molecules that convert it into food. The finding could generate new bio-inspired designs for light-harvesting systems. EurekAlert! — Why cryptophyte algae are really good at harv | EurekAlert!
What do chemical fertilizer, feed supplement, pretzel, and lotion or cream for dry skin have in common? They all use urea, which was first discovered and isolated from human urine by H.M. Rouelle in 1773 and was then successfully synthesized from inorganic materials by F. Wohler in 1828. This discovery prompted Wohler to write triumphantly to Berzelius: "I must tell you that I can make urea without the use of kidneys, either man or dog. Ammonium cyanate is urea." One of the main compounds in human or animal urine is urea, a waste product in the metabolism of nitrogen (N)-containing substances such as proteins. My Republica — The King of Fertilizers - myRepublica - The New York Times Partner, Latest news of Nepal in English, Latest News Articles
I am, of course, talking about defacing books – a much maligned practice of which I am a passionate disciple. My flirtation with textual mutilation started off at school with primly creased corners and pencilled underlinings, but I soon progressed to cocksure highlighting and full-blown ink-on-paper action – the effluence of engagement, the living, livid trace of dialogue. If, as the poststructuralists have suggested, the act of reading is an act of violence, then scrawling across the page in cheap biro must be its logical corollary. the Guardian — Defacing books: the effluence of engagement | Books | The Guardian
To make an erbium atom function as such a quantum repeater, two main things need to go right. First, the atom needs to emit photons quickly enough to make the scheme practical. Second, the emitted photon must preserve its quantum properties and stay entangled with the atom that emitted it despite disruptions – a property known as coherence. Physics World — Rare-earth atom can make a quantum repeater at telecom wavelengths – Physics World
La société coréenne Seju Engineering vend plusieurs objets indispensables, comme le plus petit alcootest du monde. Mais le must have, c’est le Kiss Me Meter, ou «bisoumètre» qui sert à mesurer le niveau de fétidité de l’haleine (environ 30 euros). Il suffit de souffler dessus quelques secondes, et un code de couleurs allant du vert au rouge vous indique le degré de fraîcheur de votre exhalaison. Tout petit, il peut aussi servir de porte-clef. A quand un calculateur de laideur ou un détecteur de mauvaise blague ? Libération — Le bisoumètre, un crash test pour l’haleine – Libération
To evaluate which BV dyes perform best in the detection of CD14, CD16, and CD86 expression in monocyte subsets and TL calculation, we measured the levels of cellular autofluorescence induced by treatment and the spectral overlap of DNA dyes required for the identification of cell cycle phases. In our hands, PI staining decreases sensitivity in V560–V660 channels (data not shown), and this was taken into account. Moreover, fluorochrome selection must be optimal relative to expected antigen densities and dye efficiencies.19 Thus, in the present study, CD16-BV421, CD86-BV605, and CD14-BV786 were chosen for scrutiny. Nature — Brilliant violet fluorochromes in simultaneous multicolor flow cytometry–fluorescence in situ hybridization measurement of monocyte subsets and telomere length in heart failure | Laboratory Investigation
He also goes on to say “Donkey Nation does it again,” which I’m assuming (after a little research) is referring to a fishing guide in Pensacola, Florida by the name of Donkey Nation. They must be pretty damn good if their clients (or workers) willingly make guttural donkey noises anytime they catch a fish. Whiskey Riff — “HEE-HAW!” – Florida Man Celebrates Monster Largemouth Bass With Guttural Donkey Noises | Whiskey Riff
One of the simplest β-carboline alkaloids is harmaline, which is a bioactive component of the medicinal plant Peganum harmala. The roots, seeds, leaves and bark of P. harmala have been used in traditional medicine in various cultures around the world. With this in mind, the researchers hypothesized that harmaline produced by the plants must be degraded by microorganisms in the surrounding soil. Researchers look to nature to unearth the secrets of cyclic imine cleavage
“This is not phosphorescence (glow technology) but rather a unique flexible light bulb like no other,” Parr told Commercial UAV News. “There truly is no technology in the world that can create these types of all-in-one illuminable profiles. There are tubes where laser light shines through, but they have an effective length of about 75 meters before some sort repeater or second laser box must be added. Additionally, those lamps do not allow for the passage of data/power within their own profiles." Lumiflex Wants to Enhance Drone Tethered Solutions with Illuminated Cables | Commercial UAV News
The director said that APA month would be now formalised in the APA system, which could also partly be a part of civil service reform. “Since reform can happen anywhere and anytime, we must start somewhere to solve the incoordination issues. We’re quite confident this time that there will be coordination.” Kuensel Online — APA month, an attempt towards solving incoordination in the system? | Kuensel Online
Indexable inserts, however, must be selected with careful attention to size, shape, geometry, and grade for the type of workpiece material and application, coatings, and nose radius for good chip control. Here’s how products from leading suppliers are designed to meet customer requirements for optimum metal removal with indexable cutting tools. Tooling Up with Indexable Cutters
There are indications that the government is planning to appeal against the division bench order which upheld the single bench verdict that no fee must be charged up to 25 cents regardless of the amount of land. If this happens, there is a possibility of delay in the decision on the pending applications. If the government's objective is the birthright, it is better not to go for an appeal. Government land reclassification should not be seen as an inexhaustible mine which is trying to increase revenue by any means. Keralakaumudi Daily — Do not make land reclassification an inexhaustible mine - EDITORIAL - EDITORIAL | Kerala Kaumudi Online
Offshore, day and night navigation is pretty much the same, but near the coast you need to be aware of all the various lights on buoys, etc. We looked at lighthouses, ranges and timing last month, but you must be clear what all the terms mean. My aide-mémoire for occulting is ‘the occult is a black art’, so it will have a black flash (the light period is longer than the dark), and ‘iso’ means equal, so isophase has equal periods of light and dark. Practical Boat Owner — Nav in a nutshell: Navigating at night - Practical Boat Owner
A jury in New York found former NRA gun lobby chief Wayne LaPierre liable on Friday, February 23, for corruptly mismanaging the organization, US media reported. Lapierre and a senior executive of the National Rifle Association must pay a penalty of $6.35 million "for years of corruption and greed," said state Attorney General Letitia James. Le Monde.fr — NRA chief Wayne LaPierre found liable for financial misconduct
GWINNETT COUNTY, Ga. — Sometimes you fight fire with fire, and sometimes you must fight a front-end loader with another front-end loader. Police1 — 'Unbelievable': Video shows Ga. officers using front-end loader in pursuit of another front-end loader
The multiplet arrangement makes the tests more complex. "Each magnet of the multiplet must first be tested alone, then the magnets must be tested together to evaluate their interactions”, say Hans Müller, superconducting magnets manager at GSI, and Kei Sugita, testing project manager at GSI. CERN — The first FAIR magnet delivered for testing at CERN | CERN
AS wonderful and strange creatures pass into extinction at a rapidly increasing rate, an author has warned we must recognise “the munificence of what we have” before it is gone. Camden New Journal — Eco 2023: The Golden Mole – and why this planet is worth fighting for | Camden New Journal