Vinyl club montreal7/1/2023 While speeding forward through the plate glass of maturing cells’Īnd you’re amazed that something so poignant, so devastating and poetic could reside there. ‘Somehow you’ve red-rovered the gestapo circling my heart We carry on to the middle of the…I hesitate to say ‘song’ as that’s, kind of, doing it a disservice…piece, and examine the lyrics either side of the median: The camera continues to zoom in right to the heart of the Of Montreal selection, to Hissing Fauna (which is the middle album since the kid has a promo of 2016’s Innocence Reaches) and on it goes, to the centre of the album, to the gargantuan groove fuck that is The Past Is A Grotesque Animal (track 7 out of 12), which happens to be the kid’s favourite 12 minute long existential dissection of a relationship gone bad in, like, ever. The dude is an indie kid, but left field indie rather than middle-of-the-road indie and so, of course, has all the Of Montreal albums…and there they all are chronologically arranged pretty much smack bang in the middle of his alphabetically ordered albums. But rather than cut to the inevitable ‘get ready for school’ off camera dialogue of the protagonist’s mother, let’s continue to their record collection. Earth comes into view, we whizz through the atmosphere, puncture a wispy cumulus or two to hurtle (invariably) into a suburban landscape, through an open window to focus on, perhaps, the main character of the movie. The magnification continues apace, now we’re being given a tour of the solar system, zooming past the gas giants, on through the asteroid belt and past Mars. The image starts to magnify and suddenly you are hurtling into an arm of the Milky Way (for it’s that galaxy), about two thirds of the way out from the galaxy’s centre. Imagine you’re watching one of those films whose opening sequence starts off with a view of a distant galaxy.
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Potassium element atomic radius7/1/2023 (Brown_et_al.)/07%3A_Periodic_Properties_of_the_Elements/7.For definitions of ionic radius and further information, follow the hypertext link. Atomic Radius of the elements Chlorine, 79 pm, Lanthanum Argon, 71 pm, Cerium Potassium, 243 pm, Praseodymium Calcium, 194 pm, Neodymium Scandium, 184 pm. Further information is available in inorganic chemistry textbooks, usually at Level 1 or First Year University level. Chemistry The Periodic Table Periodic Trends in Atomic Size 1 Answer Stefan V. The terms low spin and high spin refer to the electronic configurations of particular geomtries of certain d-block metal ions. Atoms and ions which consist of an equal number of electrons are considered as isoelectronic species. Rank the following elements by increasing atomic radius: carbon, aluminum, oxygen, potassium. For electronic configurations, where it matters, the values given for octahedral species are low spin unless stated to be high spin. Size does depend upon geometry and environment. In this table, geometry refers to the arrangment of the ion's nearest neighbours. Hartree-Fock wave functions and radial expectation values: hydrogen to lawrencium, LA-3691, Los Alamos Scientific Laboratory, USA, 1968. The R max values for neutral gaseous element valence orbitals are abstracted from reference 1. Image showing periodicity of valence s-orbital radius for the chemical elements as size-coded balls on a periodic table grid. Table: valence shell orbital radii for potassium. It must be noted, atoms lack a well-defined outer boundary. Two values are given here, one is based upon calculations and the other upon observation - follow the appropriate link for further details. The atomic radius of Potassium atom is 203pm (covalent radius). The problem is its meaning, which is clearly very different in different sources and books. The term "atomic radius" is not particularly helpful although its use is widespread. Follow the appropriate hyperlinks for definitions of each radius type. It is a silvery white metal that is soft enough to easily cut with a knife. In potassium element, atomic number, ionic radius, atomic radius, covalent radius, and atomic mass are much higher than those of in sodium and lithium. The size of neutral atoms depends upon the way in which the measurement is made and the environment. Potassium is the chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. All values of radii are given in picometres (pm). Follow the appropriate hyperlinks for literature references and definitions of each type of radius. There are several other ways ways to define radius for atoms and ions. Magnesium and calcium are elements of group 2. On moving from top to bottom in a group, the atomic radius increases. This is because sodium and potassium are elements of group 1. It is not always easy to make sensible comparisons between the elements however as some bonds are quite short because of multiple bonding (for instance the O=O distance in O 2 is short because of the the double bond connecting the two atoms. Potassium (K) with an atomic number of 19 has the largest atomic radius. One measure of size is the element-element distance within the element. New gemini dates7/1/2023 OK, let’s just get it out: The Taurus-Scorpio eclipse saga, which has raged since late 2021, is not yet over. Only those artists, heroes and visionaries who can look forward and affirm a new point of view will survive the flood. So should those tired old stories about yourself, your history, and your potential. The narratives of the last decade - helplessness in the face of generational change dizzying leaps in technological evolution extreme adoptions of either irony or earnestness malaise over the future of the world - will be wrapping up very soon. Though both Saturn and Pluto’s movements will be felt globally, you can count on personal reckoning as well. Whether we’re in for Arrival or Independence Day, 2023 begins the next phase of the Age of Aquarius. Consider this an opening salvo of the next few decades, in which we’ll encounter the dominant technologies and mediums of the new century, foment collective uprisings that will reshape the globe, and access the dawn of post-humanism. From March 23 through June 11, Pluto will station at 0 degrees Aquarius, before taking a final dip back into Capricorn for the rest of the year, and returning to Aquarius in 2024. Since 2008, Pluto has been in Capricorn, annihilating our illusions and delusions about power. Just weeks after Saturn enters Pisces, the great karmic destroyer Pluto shifts into Aquarius, for the first time since the 18th century. We will close out the cannibalistic nostalgia of the last thirty-year Saturn cycle, and become ready to imagine new archetypes. We will find ways to declare our rights and boundaries so as not to sink in a whirlpool of corporatized data. From opioids to streaming platforms, all currents used to numb and control will undergo revolution. In Aquarius, Saturn built a new transmission when Saturn enters Pisces, it changes frequency. Since 2020, Saturn has been in Aquarius, hashing out the ethical evolution (and regression) of public health, education, gender recognition, racial representation, and beyond. In 2023, two of these planets move signs, shifting the sensibilities of the collective consciousness.įirst comes Saturn, the planet of structure, order and responsibility, navigating the choppy waters of Pisces from March 7 through 2026. But for the changes which define eras, it’s the slower-moving planets that reveal all: namely Saturn, Uranus, Neptune, and Pluto. Saturn in Pisces & Pluto in Aquariusįor insight into the day-to-day, look to the inner planets - the moon, Mercury, Venus, Mars - which orbit closer to the sun, and move at a faster clip. See where you’re lacking and go get yours. While some fight for what they deserve, others will stretch their entitlement past breaking. Consider the unionization renaissance at UberEats, Starbucks, Amazon to be just the beginning. Jupiter’s last tour of Taurus set off Occupy protests around the world. And in the sign of earning and worth, Jupiter will escalate the dialogue around money. The new hedonism of the 2020s will emerge during this time, as society whips out of the moralistic trappings of the last few years. All that’s been cooking in the studio will be released, rewarded, and enjoyed in the sign of fertility and embodiment. In May, Jupiter will then launch a year-long, uninterrupted residency in Taurus, for the first time since 2012. Spend the spring developing, creating, and connecting, and be ready to fight for your point of view. In the sign of individuality, courage, and renewal, Jupiter calls for new voices to rise - and to overthrow the old gatekeepers. If these past few years have made you feel buried, subsumed, or skeptical, you better believe that the time for new beginnings is now. From Decemuntil May 16, 2023, Jupiter is in Aries, where it rolled for a few months in the summer of 2022. The planet of synthesis, wisdom, and expansion takes just over a decade to cruise through the zodiac, giving each sign a year to shine. Jupiter acts like a roving cosmic spotlight, illuminating and elevating whichever sign it’s in. What will the retrogrades, eclipses, and epic transits of 2023 bring for the world, and for you? Here are some of the key dates and major planetary players to watch out for. With major planets like Saturn and Pluto shifting into new signs for the first time in years, we can kiss goodbye to the cynicism of the past decade and enter outright into the awakenings, crises, and evolutions of the 2020s. So what comes now? That 2023 will be easy is not likely, but that it will feel new is certain. Pluto Return a batsh*t Taurus-Scorpio eclipse cycle and a chaotic, election-season Mars retrograde in Gemini. Astrologically speaking, 2022 was no amateur showcase, with the first-ever U.S.A. Zoom glasses reflection7/1/2023 We’ve naturally evolved to take in as much as we need.” (Garg’s own child is in a virtual learning environment, and he’s not worried about their exposure.) To help protect a child’s eyesight and ensure they’re receiving the developmental benefits of natural blue light, make sure they’re getting one to three hours of outdoor playtime a day, said the AOA’s Reynolds, and try to limit their screen time and exposure to bright lights before bed (for better-quality sleep). “But we’re not seeing it being a clinical concern. “It’s really a tough time for parents, and they’re looking to do right by their kids,” said Garg. In fact, their eyes actually need that wavelength from sunlight-a deficiency of natural blue light in maturing eyes can lead to myopia (nearsightedness). Parents with children in remote programs may be tempted to buy a pair of blue-light-blocking glasses for their kids, but most children shouldn’t be wearing them all day. You can always upgrade to a longer-lasting pair later. If you’re curious about blue-light-blocking glasses, we think it’s smart to start with a cheap pair to see if you notice a marked improvement in your sleep or less eyestrain (although there’s no guarantee). Many retailers sell lenses with a blue-light-blocking filter that can scratch and fade over time, though prescription retailers usually have higher standards and bake the blue-light technology into the lens resin. Sunir Garg, clinical spokesperson for the American Academy of Ophthalmology (AAO) and a professor of ophthalmology at the Retina Service of Wills Eye Hospital. “There’s not a lot of rigorous standardization with the lens manufacturers themselves,” said Dr. A July 2019 study in Optometry and Vision Science found no correlation between price and advertising claims when comparing the efficacy of cheap ($3), medium ($40), and high-end ($350) blue-light-blocking glasses and sunglasses, so don’t assume you’re getting stronger blocking ability by spending more. Our research also showed that price doesn’t necessarily guarantee effectiveness. But if they’re uncomfortably heavy, you can return them to Amazon. The Tjins do weigh more than half the pairs we tested-0.9 ounces. Our panelists also said these glasses were comfortable to wear because the nose bridge and temple arms didn’t pinch, unlike some of the other glasses we tried. “I had forgotten that they were on my face,” said Wirecutter's Justin Krajeski. These lenses aren’t completely colorless-they have a very faint orange tint-but our testers didn’t mind. They’re sturdy, with level arms that sit flat on your face, and unlike half the pairs we tested (including the similar WMAO Blue Light Blocking Glasses), they don’t suffer from overly stiff hinges. The classic square frames didn’t overwhelm our testers’ faces, and the plastic is durable and doesn’t twist. These glasses are sold in more than a dozen different translucent colors and patterns, from sea green to leopard, more than any pair we tested. The Tijn Classic Nerd Square Blue Light Blocking Glasses are great for people who like to match their frames to their outfit. If you’d like to try them, below are the fashionable and comfortable pairs we recommend-plus what we’ve discovered about blue light, and some tips for how to shop for blue-light-blocking glasses online. Our experts agreed that blue-light-blocking glasses are useful to help you fall (and stay) asleep, as they may help counteract the effects of blue light on your sleep-wake cycle. People who tell you otherwise don’t have the data to back it up. Likewise, a pair of glasses won’t magically cure your headaches or migraines. Short-term exposure to blue light from daily use of digital devices won’t harm your eyes, and there’s no clear answer as to whether yearslong exposure is more dangerous. The actual research is complex, and there’s no consensus. The fact is, anyone promising miracles from a pair of blue-light-blocking glasses is probably selling something. To find out the truth, we tested 13 pairs of glasses, read nearly two dozen studies, and interviewed three optometrists, two sleep experts, two eyeglasses providers, a medical doctor, and an ergonomics expert. But most light sources (including the sun) produce blue light naturally and always have, so why are we suddenly trying to block it? And do these glasses do what they claim? The answer is murky, but we can tell you what scientists actually know about the dangers of blue light-and suggest some sturdy and stylish pairs of blue-light glasses you may want to try. If you believe the hype, blue-light-blocking glasses will prevent headaches, decrease eyestrain, and help you sleep like a baby. Nasa careers in houston7/1/2023 She also plans on using meditation to deal with anxiety.Ĭhapea builds on previous Mars-like experiments, including the NASA-funded Hi-SEAS simulation on the northern slope of the Mauna Loa volcano in Hawaii. For many people, it’s proven to be extremely stressful, and it has generated forms of psychological maladies that were unanticipated at the outset of the pandemic,” he says.įor her part, Haston plans to bring along videos of familiar places and audio recordings of sounds and music that have meaning for her, anticipating the unsettling lack of sound in the simulated Mars environment. During Covid “we’ve been denied the normal social interactions that we’ve learned to depend on. They’ll still be more isolated than normal, however, like many of us were during the early days of Covid-19. The situations aren’t the same, of course: While the Chapea bedrooms are similar in size to a solitary confinement cell, the crew also has other spaces for activities-and they have each other. Haney has documented the debilitating and sometimes permanent effects of isolation on prisoners-effects that can emerge in just a couple weeks. “NASA is right to study this, because what we’ve learned is that social isolation is a very dangerous psychological toxin,” says Craig Haney, a UC Santa Cruz psychologist who researches solitary confinement. While the accommodations look nice, the relative isolation might affect crew members over time, and it’s important to see how they fare. Their bathrooms have a shower, toilet, and sink with running water-a big improvement over life in microgravity-though the water for each crew member will be rationed, as there will be very limited water available on Mars. The kitchen’s equipped with a small oven and a fridge, and they’ll have to rely on reconstituted dehydrated food between limited batches of fresh food delivered by infrequent cargo resupply missions. (People will feel lighter and bouncier on Mars, which is smaller and less massive than Earth, but that’s hard to simulate.) During the crew’s work hours, they’ll conduct mission operations, like the “Mars walks,” growing plants, getting exercise, cleaning the habitat, and maintaining equipment. In many ways, their day-to-day life will be similar to that of astronauts aboard the International Space Station, just with a bit more space and no floating. While the idea of throwing four people into a single structure for a long time and seeing how they fare sounds kind of like a reality TV show, the crew will be disciplined, and they’ll have tasks to complete. Each week, they will have multiple opportunities to go outside for “Mars walks”-while wearing spacesuits. Like real visitors to Mars, they’ll see only a stark, lifeless landscape, which NASA is simulating with an enclosed space covered with Martian mural images and a 1,200-square-foot sandbox filled with red sand. They’ll be able to communicate with mission control, but with a 20-minute delay, as if they were in fact some 100 million miles away from home. Just like the first batch of Martian astronauts, Haston and her crewmates-Ross Brockwell, Nathan Jones, and Alyssa Shannon-will live in a cramped space without contact with other people. We’re volunteers, so there is an exit sign. It sounds doable, but it actually will be very hard,” says Kelly Haston, the mission’s biomedical researcher and commander. “If we get to the end of the year and the crew is complete and we haven’t had any attrition, that would be, for me, a huge thing. NASA hopes that lessons from this unique social experiment could aid future astronauts when they really do set foot on the ruddy Martian dirt-such as learning how the space agency can make the crew comfortable and help them get along with each other, or deal with loneliness or homesickness. The program is called Chapea, which stands for Crew Health and Performance Exploration Analog. |