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Killexams : SUN Certified Study Guide - BingNews https://killexams.com/pass4sure/exam-detail/310-878 Search results Killexams : SUN Certified Study Guide - BingNews https://killexams.com/pass4sure/exam-detail/310-878 https://killexams.com/exam_list/SUN Killexams : Recycling center feasibility study expected in January

One of the first things Nicole Frost asked the Isabella County board of commissioners to do when she took over as county administrator at the start of 2021 was to commission a study about the future of the recycling center.

It’s expected that study will get presented to commissioners almost exactly a year later.

Finishing touches are wrapping up a study commissioned by the board last spring. They provided some preliminary findings to the Materials Recovery Facility’s advisory board and expected to make a full presentation sometime in January.

The MRF, built in the early 1990s, is as it stands is out-of-date and a drag on county finances. This year, the county commission expects to subsidize it to the tune of $450,000.

County officials want to move that liability off the county’s general fund and turn it into what it’s always supposed to have been, a self-sustaining operation.

One question the study was hoped to answer was whether it’s financially feasible to upgrade the equipment so haulers wouldn’t need to pre-sort it. While that would be expensive, it’s also possible that new revenue raised because it would make it more attractive to haulers who otherwise spend extra trucking their materials to Grand Rapids and Lansing.

Frost told commissioners in January that addressing the MRF’s future wasn’t just a priority for the facility. It’s also a priority created by the county’s financial picture.

The county’s financial picture is rather tight in the near- and mid-term with additional expenses from increasing employee wages, paying for the new jail and sheriff’s facility from the county’s general fund and also with unfunded pension liabilities.

Ending the MRF subsidy is one area that the county is looking at to wring savings out of its current expenditures to address those financial challenges.

Author

Eric Baerren is a multimedia journalist with The Morning Sun.

Fri, 02 Dec 2022 04:35:00 -0600 Eric Baerren en-US text/html https://www.themorningsun.com/2022/12/04/recycling-center-feasibility-study-expected-in-january/
Killexams : China completes world's largest solar telescope array with 1.9-mile-wide ring of 313 dishes that will stare STRAIGHT into the sun and study how its behavior impacts Earth

China completes world's largest solar telescope array with 1.9-mile-wide ring of 313 dishes that will stare STRAIGHT into the sun and study how its behavior impacts Earth

  • China finished building the world's largest solar telescope array in Sichuan province of southwest China 
  • The Daocheng Solar Radio Telescope (DSRT) cost $14 million to build and is composed of 313 dishes pointed at the sun that are each 19.7 feet in diameter
  • The DSRT will study solar flares and coronal mass ejections (CME) - both of which can have a negative impact on electronics, power grids and satellites 
  • 'If it bursts toward the Earth and will reach us, we will be able to issue early warning to such a solar storm,' Wu Lin, deputy chief designer of the project, said

China has completed construction on the world's largest array of telescopes that will be pointed directly at the sun to study how its behavior impacts Earth.

The Daocheng Solar Radio Telescope (DSRT), which is located on a plateau in Sichuan province of southwest China, is composed of 313 dishes. Each one has a diameter of 19.7 feet and together they form a circle with a circumference of 1.95 miles. 

The massive arrangement of scientific machinery, which cost $14 million, is set to study solar flares and coronal mass ejections (CME) - both of which can have a negative impact on electronics, power grids and satellites. 

A CME is a huge cloud of electrically charged particles that gets heated to super-hot temperatures and then ejected with a burst of speed by the energy released in a solar flare. 

China has completed construction on the world's largest array of telescopes that will be pointed directly at the sun to study how its behavior impacts Earth

The Daocheng Solar Radio Telescope (DSRT), which is located on a plateau in Sichuan province of southwest China, is composed of 313 dishes

'We can forecast whether a solar storm bursts toward the Earth,' Wu Lin, deputy chief designer, Ring Array Solar Radio Imaging Telescope Project, said. 

'If it bursts toward the Earth and will reach us, we will be able to issue early warning to such a solar storm. In this way, we can provide space environment forecasts for normal operation of satellites in space and power grids on ground,' told CCTV+, per Space.com.

The array will begin a pilot operation in June 2023, upon completion of further alignment testing. 

Having such a massive solar observatory in China will also Strengthen date globally on solar activities that are not seen by telescopes in other time zones.  

'China now has instruments that can observe all levels of the sun, from its surface to the outermost atmosphere,' Hui Tian, a solar physicist at Beijing’s Peking University, told Nature. 

'We are entering the golden age of solar astronomy as we have lots of major solar telescopes coming online,' Maria Kazachenko, a solar physicist at the University of Colorado, Boulder, told Nature.

Other solar telescopes include NASA's Solar Parker Probe that launched in 2018 and the European Space Agency's Solar Orbiter that launched in 2020. 

Scientists say that a 'canyon-like' cavity in the sun's atmosphere known as a coronal hole will launch a solar storm towards Earth tomorrow. 

According to experts, solar wind – a continual stream of charged particles – could be emitted from the hole and head towards Earth at staggering speeds of up to 1.8 million miles per hour.

According to Space Weather Live, the hole was detected on Monday, November 28 and the resulting storm could reach Earth on December 1.

Experts say the solar storm could cause power grid fluctuations and orientation irregularities for spacecraft in the form of 'increased drag' on low-Earth orbiters. 

An aurora from the storm will be viewable in the north of Scotland, weather permitting, a Met Office spokesperson also told MailOnline.

'We can forecast whether a solar storm bursts toward the Earth,' Wu Lin, deputy chief designer, Ring Array Solar Radio Imaging Telescope Project, said

The array, which cost $14 million (100 million yuan), will begin a pilot operation in June 2023, upon completion of further alignment testing

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Wed, 30 Nov 2022 04:31:00 -0600 text/html https://www.dailymail.co.uk/sciencetech/article-11486891/China-completes-worlds-largest-solar-telescope-array-1-9-mile-wide-ring-313-dishes.html
Killexams : Half of Brits are buying items they know won’t last as long as higher quality versions, a study finds

Half of adults have admitted to buying items they know won’t last as long as higher quality products - in order to cut costs.

Research of 2,000 adults found millennials were more likely to opt for the cheapest option over a superior alternative (45%), whereas those, aged 45-54, valued quality over price most (59%).

Close up of a woman hands plugging a charger on a smart phone

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Close up of a woman hands plugging a charger on a smart phoneCredit: Getty

The average adult has two faulty or malfunctioning products in their home at the moment, and only 29% are regularly buying premium items, hoping it’ll save them money in the long run.

Despite their initial hesitancy to splash the cash, four out of five of millennials recognise a difference in the quality and performance of household electrical items, such as kettles or chargers.

Natasha Bambridge, from business improvement, product testing and standards company, BSI, which commissioned the research to highlight the importance of the BSI Kitemark, said: “This research has really highlighted the thought processes people go through when buying a product.

“For those seeking reassurance and confidence in the quality, safety and durability of their purchases, looking for an independent certification logo such as the Kitemark can help when deciding which products to trust.

“Deciding between products with similar specifications and features can be confusing, so it’s important for consumers to do their research on what certification marks stand for so they can be assured of the testing standards the product that they’re buying have met.”

The study found 58% of all adults are more likely to pay a premium to buy something that’s longer lasting and more durable than other options.

But Gen Z adults - those aged 18-24 - were least likely to consider the lifespan of a product when making their purchase decision.

The cost-of-living crisis has driven some changes in habits, with 36% of all adults spending more time researching a product’s durability to avoid purchasing products that aren’t likely to last long or stand up to everyday use.

And 32% have delayed replacing broken or inefficient items due to budget constraints, according to the OnePoll data.

When purchasing an electrical product, whether new or second hand, a quarter of all consumers would check for certification logos that indicate superior quality and safety.

Such certification logos can include the BSI Kitemark, a symbol used to mark a range of products and services, including sofas, electric plug sockets, and bicycle helmets, as meeting a superior standard when it comes to attributes such as safety, quality, security or sustainability.

Natasha Bambridge, from BSI, added: “For consumers looking for extra confidence in the safety, quality, security or sustainability of products, they can look for a trusted and established certification mark, such as the Kitemark.

“Knowing products have been independently tested provides peace of mind to consumers who can have increased confidence in the products that they’re buying have been robustly tested to ensure they are safer, more secure, and better quality.

“With money being tight at the moment, it’s easy to understand why many will be looking to low-cost electricals made of less-durable materials when there’s less disposable income, but it could end up costing consumers in the long run.

“And there’s also the risk of buying something of a much lower quality, that you could end up having to replace it fairly quickly, which may lead to more products getting sent to landfills, damaging the environment by creating more waste.”

Sat, 26 Nov 2022 20:09:00 -0600 Sun Reporter en-gb text/html https://www.thesun.co.uk/money/20564748/brits-buying-items-wont-last-as-long-higher-quality/
Killexams : Pandemic stress prematurely aged teens’ brains, Stanford study finds

A Stanford University study published Thursday found that stress from the COVID-19 pandemic prematurely aged adolescents’ brains, making them more like those of peers about three years older.

By comparing MRI scans from children taken before the pandemic with scans from other kids taken during the pandemic, the study found that changes in brain structure that occur naturally with age sped up in adolescents as they experienced the COVID-19 lockdowns. That could have lasting implications for those youths’ if the changes are found to be more than temporary.

“We know developmentally that brains change over time, that’s not at all a surprise,” said Stanford Professor of Psychology Ian Gotlib, lead author of the study published in the journal Biological Psychiatry: Global Open Science. “What was surprising here was how quickly these changes occurred in adolescents as a result of the pandemic.”

What those changes mean as far as the teens’ brain function and mental health, and whether the changes will be temporary or lasting, is unclear, Gotlib said.

But the study said research done before the pandemic already had found a link between exposure to early life adversity — violence, neglect, and family dysfunction — and not only poorer mental health but also accelerated brain aging.

The new study adds to a stack of evidence that children suffered mentally, emotionally and academically from pandemic school closures and the resulting isolation and family stress. A Stanford-based independent research group in 2021 found evidence that younger children’s ability to read aloud suffered, and newly released standardized test scores showed demonstrable decline in California and across the country.

The Centers for Disease Control and Prevention in March reported that 37% of high school students reported poor mental health during the COVID-19 pandemic, and 44% persistently felt sad or hopeless during the past year.

But the new Stanford study now documents physiological effects of pandemic stress on youth.

Co-author Jonas Miller, who was a postdoctoral fellow in Gotlib’s lab during the study and is now an assistant psychology professor at the University of Connecticut, said the findings suggest there could be serious consequences for an entire generation of adolescents later in life.

“Adolescence is already a period of rapid reorganization in the brain, and it’s already linked to increased rates of mental health problems, depression, and risk-taking behavior,” Miller told the Stanford News Service. “Now you have this global event that’s happening, where everyone is experiencing some kind of adversity in the form of disruption to their daily routines — so it might be the case that the brains of kids who are 16 or 17 today are not comparable to those of their counterparts just a few years ago.”

The findings about pandemic brain changes in teens stemmed from an ongoing long-term study begun about eight years ago to explore why adolescent girls have higher rates of depression than boys. The researchers were following a group of about 200 Bay Area adolescents and assessing them for changes, including with MRI scans every two years.

For the new study, they matched a group of 82 teens, ages 13-17, who had experienced the 2020 COVID-19 lockdowns with a group of 81 teens who had been assessed before the pandemic. The two groups of youth were matched by sex, age, pubertal status, race and ethnicity, parental education, annual household income, and severity of early life stress.

Following the pandemic shutdowns, the researchers observed growth in the hippocampus and the amygdala areas of the brain that affect memories and emotions, and also found thinning in the cortex that affects executive functioning that made adolescents brains appear comparable to those of youths about three years older.

“The pandemic appears to have adversely affected both mental health and neurodevelopment in adolescents,” the study said, “at least in the short term.”

Author

John Woolfolk is a reporter for the Bay Area News Group, based at The Mercury News. A native of New Orleans, he grew up near San Jose. He is a graduate of the UC Berkeley School of Journalism and has been a journalist since 1990, covering cities, counties, law enforcement, courts and other general news. He also has worked as an editor since 2013.

Thu, 01 Dec 2022 08:29:00 -0600 John Woolfolk en-US text/html https://www.sbsun.com/2022/12/01/pandemic-stress-prematurely-aged-teens-brains-stanford-study-finds/
Killexams : COVID boosters are ‘more important’ for older adults, study suggests. Here’s why No result found, try new keyword!Older adults may benefit more from the latest COVID-19 boosters and future updates to the vaccines, latest research suggests. These individuals are being disproportionately affected by the virus ... Wed, 30 Nov 2022 06:04:00 -0600 text/html https://www.sunherald.com/news/coronavirus/article269394612.html Killexams : Study: U.S. gun death rates hit highest levels in decades No result found, try new keyword!The U.S. gun death rate last year hit its highest mark in nearly three decades, and the rate among women has been growing faster than that of men, according to study published Tuesday. The ... Wed, 30 Nov 2022 01:47:00 -0600 text/html https://www.sunherald.com/news/health/article269372337.html Killexams : Just 1 in 20 people in the U.S. have dodged COVID infection so far, study says

An estimated 94% of people in the U.S. have been infected with the COVID-19 virus at least once, according to according to a new paper from researchers at Harvard’s School of Public Health.

The big reason for the surprising surge? The omicron variant’s record-shattering case rates early this year and middling booster rates that fell short of what experts had hoped to see.

While that’s far from good news, there is a silver lining: As of early November, the percentage of people with some protection from new infections and severe disease is “substantially higher than in December 2021,” according to the authors.

“Moving forward we are in probably the best shape that we’ve been,” said Dr. Peter Chin-Hong, a professor of medicine at the University of California San Francisco who specializes in infectious diseases and did not participate in the study. But that does not mean COVID is less prevalent than before or that you’re less likely to catch it. In fact, cases are on the rise again, public health officials warn.

A preprint of the paper, which has not yet been peer-reviewed, was published this week on a website called MedRxiv. The findings contain uncertainties because they are based on a statistical analysis of Centers for Disease Control and Prevention-reported diagnoses, hospitalizations and vaccinations, rather than antibody testing of a representative demo of Americans.

The team estimated that 29.1% of Americans have been vaccinated and infected, 55.7% are vaccinated and re-infected, 2.4% are unvaccinated and infected, 7% are unvaccinated and re-infected. Of those who have never been infected, about 63% are vaccinated: 3.5% of Americans, as opposed to 2.1% who are unvaccinated and never infected.

Population protection against infection and severe disease from the Omicron variant in the United States population between December 1, 2021 and November 9, 2022, by exposure state and waning scenario.
The population protection against infection and severe disease from the Omicron variant in the United States population between December 1, 2021 and November 9, 2022, by exposure state and waning scenario.

The researchers from Harvard, Yale and Stanford set out to understand how immunity to the virus had changed since December 2021. The calculations studied “the competing influences” of new vaccinations and infections and the waning of immunity earned from them.

They compared the situation as of November 2022 to 11 months before and took into account the fluctuating prevalence of COVID over time and geography, how much and how fast immunity fades, reinfections, vaccination status and the efficacy of those shots.

In December 2021, 59.2% of people had been infected with the COVID-19 virus, they estimated.

“Between Dec. 1, 2021, and Nov. 9, 2022, protection against a new omicron infection rose from 22% to 63% nationally, and protection against an omicron infection leading to severe disease increased from 61% to 89%,” the analysis found.

The authors warn that “despite the high level of protection at the beginning of the 2022-2023 winter, risk of reinfection and subsequent severe disease remains present.” And they caution that the introduction of “a more transmissible or immune-evading (sub)variant, changes in (human) behavior, or ongoing waning of immunity” could change the calculations.

The study estimated that in less than a year there were 116 million first infections in the country and 209 million reinfections, nearly all from omicron sub-variants.

A chart showing how many people in the US had various levels of immunity to COVID, comparing Dec 2021 to Nov 2022.

As the virus mutates, our understanding of how population immunity impacts the spread of COVID also evolves.

During each year of the pandemic, the largest surges in California have happened over the winter holidays, but the fact that so many people got COVID earlier this year means fewer might be vulnerable this holiday season, the researchers found. At the beginning of this year the first omicron wave smashed all previous case records, sickening millions but also raising the level of immunity in the population, for at least a while.

Even with high levels of immunity, COVID continues to be a killer virus.

“We still have an unbelievable amount of deaths per day in the U.S.,” said Chin-Hong, “even more remarkable given this is a ‘lull.’ “

California’s weekly COVID deaths have stayed under 200 each week so far this month, a far cry from the over 3,779 deaths reported in one week in early January 2021.

It’s a huge improvement, but “it’s still nothing to celebrate” said Chin-Hong, pointing out that the virus continues to be a leading cause of death in the country. “We could do better.”

Mon, 28 Nov 2022 03:16:00 -0600 Harriet Rowan en-US text/html https://www.sbsun.com/2022/11/28/just-1-in-20-people-in-the-u-s-have-dodged-covid-infection-so-far/
Killexams : Ravens film study: Why Greg Roman’s offense needs to be ‘faster’ before the snap

If anything has summed up the Ravens’ slow-going, late-snapping, barely-beating-the-play-clock offense this season, it might not be the delay-of-game penalty they took in the first quarter Sunday. It might be what came immediately afterward.

After watching a flag turn second-and-goal at the Jaguars’ 10-yard line into second-and-goal at Jacksonville’s 15, the Ravens broke their huddle with about 10 seconds remaining. Coach John Harbaugh yelled from the sideline, “Hurry up,” with eight seconds remaining. The offensive line got set with three seconds remaining. Tight end Mark Andrews finished motioning over into a three-receiver bunch formation with one second remaining. Center Tyler Linderbaum snapped quarterback Lamar Jackson the ball with zero seconds remaining.

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The timing on the play, a 5-yard completion to Andrews, was so off that Jacksonville’s edge rushers were already 2 yards downfield by the time Devin Duvernay, the receiver in the bunch formation closest to the line of scrimmage, crossed the 15. Like Andrews and wideout Demarcus Robinson, the third player in the cluster of receivers to Jackson’s right, Duvernay looked surprised to see the ball snapped when it was.

Hours later, after another fourth-quarter collapse had doomed the Ravens to a 28-27 loss in Jacksonville, the first-quarter sequence was a minor footnote in a game rife with what-could’ve-beens. Still, it pointed to a broader problem with offensive coordinator Greg Roman’s play-calling approach.

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By one metric, no other offense takes longer to get going. According to a review of data from play index site nflfastR, 35.2% of the Ravens’ plays in the first, second and third quarter this season have been snapped with three seconds or fewer on the play clock, the league’s highest such rate. (Fourth quarters were excluded from the demo to account for clock-draining strategies in end-of-game situations.) As of Sunday’s games, only three other offenses’ late-snap rates were above even 21%.

The Ravens are also tied with the Denver Broncos, Green Bay Packers and Seattle Seahawks for the most delay-of-game penalties (six) in the NFL this season. Had they taken a seventh Sunday, in a cruel twist of irony, they might’ve avoided a costly turnover on downs. Harbaugh acknowledged Monday that Jackson’s failed fourth-and-1 quarterback sneak early in the second quarter, snapped with no time left on the play clock, wasn’t communicated or executed well.

The Jaguars had opened the game with one first down over their first two drives. Handed a short field on their third possession, they needed less than two minutes to take their first lead.

“I think we can call it faster, communicate it better in the huddle, whatever,” Harbaugh said Monday of the Ravens’ presnap operations. “The whole thing needed to be faster, and we did adjust kind of what we were in in the second half to try to make that happen, to make sure we could do it. The rhythm and the tempo were not like what we needed them to be at all.”

Ravens offensive coordinator Greg Roman, asked about the offense’s late arrivals to the line of scrimmage after the team’s season opener, said in September that “sometimes it’s good to drain the clock."

Harbaugh recalled Roman telling him at some point Sunday that his play-calling from the coaches’ booth wasn’t coming fast enough. The Ravens’ pace was indeed less of an issue after halftime; with a quicker tempo and a sprinkle of no-huddle plays called in by Roman, the threat of a dwindling play clock was effectively mitigated.

But Harbaugh, in explaining the first half’s slower execution, also noted some of the structural impediments to a more go-go offense. The Ravens are among the NFL’s leaders in presnap motion, which takes time. They substitute liberally, mixing and matching tight ends and wide receivers and running backs, which takes time. Jackson has the freedom to change plays at the line of scrimmage, which takes time.

Sometimes the Ravens make the wait worthwhile. On Robinson’s 12-yard touchdown catch in Week 2 against the Miami Dolphins, the ball was snapped with two seconds on the play clock. Jackson’s 79-yard touchdown run later in that loss? One second was left. Andrews’ 11-yard touchdown catch in the Week 5 win against the Cincinnati Bengals? Zero seconds.

Other times, though, the wait proves too long. A delay-of-game penalty knocked the Ravens’ red-zone offense off schedule in the third quarter of their Week 9 win over the New Orleans Saints, and they had to settle for a field goal. Another delay-of-game penalty two weeks later, in a victory over the Carolina Panthers, turned a third-and-8 in the fourth quarter into a third-and-13, a difference that became all the more stark after Robinson caught a 9-yard pass on the subsequent play. Again, kicker Justin Tucker was called on for another field goal.

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“There are times when you run it down for reasons, and there are times that you need to run it down to make sure you get the right play call,” Harbaugh said Monday. “Lamar has been really good at that over the years. He’s one of the best guys at dealing with the play clock and getting the ball snapped and all that kind of stuff. So we just have to adjust as coaches on that. It’s up to us to organize it in a way that we just don’t get in those situations. If we have to have less offense, or less movements in the plays, or whatever it might be, that’s just what you do. So it’s on us. That’s something we have to get cleaned up.”

Maybe the most confounding element of the Ravens’ slowdown is how quickly it’s happened. In 2015, Roman’s only full year as Buffalo’s offensive coordinator, the Bills snapped the ball with three seconds or fewer on 16.3% of their first-, second- and third-quarter plays, according to nflfastR. In 2019, Roman’s first year as play-caller in Baltimore, his late-snap rate jumped only slightly, to 18%.

Ravens quarterback Lamar Jackson is shown during a timeout Sunday against the Jacksonville Jaguars.

There were marginal upticks the next two years, too: 20.7% in 2020 and 22.2% in 2021, when the Ravens had eight delay-of-game penalties, tied for fifth most in the NFL. Both marks would’ve ranked among the five highest this year, but still significantly lower than the team’s 2022 pace.

Roman, asked about the offense’s late arrivals to the line of scrimmage after the team’s season opener, said in September that “sometimes it’s good to drain the clock. People don’t realize that sometimes, but it’s really good at times. You can really drain a clock in the course of a game. I think we set the all-time NFL record for time of possession a couple years ago, and a lot of it was because of that process, really. And there are times when that’s not the way to go.

“So the bottom line is, we want to be efficient with how we operate, and we’d like to be at the line of scrimmage, most of the time, to where we can operate.”

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With only six games left in the regular season, and the Ravens’ battle for playoff positioning only tightening, the clock is ticking.

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Week 13

Broncos at Ravens

Sunday, 1 p.m.

TV: Chs. 13, 9

Radio: 97.9 FM, 101.5 FM, 1090 AM

Line: Ravens by 8 1/2

Tue, 29 Nov 2022 00:17:00 -0600 en-US text/html https://www.baltimoresun.com/sports/ravens/bs-sp-ravens-film-study-play-clock-greg-roman-20221129-g6s7lsie35hrhim6nqm3nn3lqi-story.html
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