Tuesday, March 12, 2019

Community news: Evergreen Park math team takes first at regional competition

All-girls math competition aims to inspire other girls to purse STEM 

A group of girls who love STEM fields science, technology, engineering, mathematics are working to gather girls throughout the D.C. metro area with the same interests. Their aim is to engender a sense of community and to inspire other girls to pursue their passions in these fields. Their organization is called InteGirls. Emmy Song, one of InteGirls’ 10 co-founders, told WTOP that the founders attend three high schools in Montgomery County High: Wootton, Montgomery Blair and Richard Montgomery. The group is hosting its inaugural math competition on May 18 at Montgomery College’s Rockville location. It most certainly will be a contest, but creating a contentious environment is not their objective. “So basically, we’ve all had experience in STEM classes and activities, and oftentimes been one of the only girls in the room. So we started InteGirls to try to give young girls an opportunity to experience math in a fun and exciting way,” Song said. The daylong, friendly math contest will include “individual rounds in the four main competition math subjects, which are algebra, geometry, combinatorics and number theory, And then, they’re also going to have a team round so they can collaborate and work together to solve problems,” Song said. “We want the teams to be from the same school,” she said. Teams will consist of three people, but if an individual does not have a team, Song said those girls will be put into triads for the competition. Learn more and sign up here at InteGirls. Like WTOP on and follow WTOP on Twitter to engage in conversation about this article and others. 2019 WTOP. . This website is not intended for users located within the European Economic Area.

Messenger: The math adds up, says head public defender in St. Louis – close the Workhouse 

No result found, try new keyword!When Mary Fox took over the public defender’s office in St. Louis in 2007 there were about 2,000 defendants incarcerated who hadn’t been convicted of the alleged crimes that put them behind bars. Then ...

After Math: It's the circle of tech 

Apple will add 1,200 jobs in Qualcomm's hometown Apple put a warning shot across Qualcomm's bow this week, the first in a while that wasn't delivered by officers of the court. Apple announced that it is designating San Diego a "principle engineering hub" and will be hiring for more than a thousand new positions. Google says it was paying men less than women in some jobs Only Google could find a way to pay men more while investigating why it pays women less. 'Apex Legends' already has 50 million players after one month Or you can just get Anthem which comes with a free brick: your PS4. Nissan Leaf is the first electric car to top 400,000 sales Hi, hello. Quick heads up: gas-powered vehicles are history. Even first-gen vanity projects like what Tesla currently offers will soon be viewed as mere curiosities. Dirt cheap EVs for the everyman are coming so y'all had better gird your loins for the upcoming revolution. US Army email mistake puts hundreds of immigrant recruits at risk The US Army accidentally mailed out the personal data on more than 4,200 immigrant recruits this week, putting more than 900 of them mostly Mandarin and Russian speaking folks at heightened risk from their family's home countries. Yeah, that's bad. Harley's LiveWire electric motorcycle will go farther than we thought The beauty of today's electric motorcycle crop is that -- unlike electric cars and trucks -- they're not pretending they'll be used for long distance rides. But even with city driving, modern motorists want to squeeze every mile out of their batteries, which is why Harley Davidson's announcement this week that its upcoming LiveWire model will notch a solid 140 city miles between charges is so darn exciting. Google's Duplex AI now makes reservations in 43 states Ugh, who wants to talk to another person when reserving a table at a restaurant when you can just have Google's weird AI system do it for you. Thankfully Duplex now works in every state that's worth mentioning -- the other seven of you know who you are.

Happy Birthday To Urbain Le Verrier, Who Discovered Neptune With Math Alone 

In April of 1990, the Voyager 2 spacecraft flew by Neptune, snapping a series of incredible images of our Solar System's outermost planet. 150 years prior, nobody knew that our Solar System would wind up containing 8 planets, but a few scientists suspected, from the evidence of Uranus, that it might be out there.Time Life PicturesNASAThe LIFE Picture Collection Images In science, advances arise at the intersection of theory and real-world observation. One of the great puzzles of the 1500s was how planets moved in an apparently retrograde fashion. This could either be explained through Ptolemy's geocentric model L, or Copernicus' heliocentric one R. However, getting the details right to arbitrary precision was something that would require theoretical advances in our understanding of the rules underlying the observed phenomena.Ethan Siegel Beyond The Galaxy Our measurements reveal what does exist, but only theory can predict what should exist. The theory of universal gravitation can explain the observed orbits of the planets, with Kepler's 2nd law being derivable from that: that planets orbiting the Sun sweep out equal areas in equal times.Wikimedia Commons users RJHall and Talifero Throughout astronomy's history, observations led the way, revealing the Universe for theorists to describe. Although this is a modern, infrared view of our Solar System's 7th planet, it was only discovered in 1781 through the serendipitous observations of William Herschel.ESO That would change after 1781, following William Herschel's serendipitous discovery of Uranus. A very old orrery of the planets and moons in the solar system. An examination of this points to an origin in the first half of the 19th century: well after the discovery of Uranus and some of its major moons, but before the discovery of Neptune.Armagh Observatory, College Hill The other planets dutifully followed the laws of planetary motion, but Uranus appeared to violate them. By tracking the motions of Uranus for years and then decades, scientists could evaluate whether it was following the laws of planetary motion or not. In a puzzling surprise, Uranus appeared to move in a fashion that violated those laws.NASA Voyager 2 Breaking Kepler's laws, Uranus moved too quickly for decades, then at the right speed, then too slowly. For decades, Uranus was observed to move too quickly L, then at the correct speed center, and then too slowly R. This would be explained within Newton's theory of gravitation if there were an additional, outer, massive world tugging on Uranus. In this visualization, Neptune is in blue, Uranus in green, with Jupiter and Saturn in cyan and orange, respectively. It was a calculation performed by Urbain Le Verrier that directly led to Neptune's discovery in 1846.Michael Richmond of R.I.T. The observations weren't easily dismissable, but their physical cause was unknown. Uranus, shown at right, appeared to orbit in violation of the laws of planetary motion. Rather than suggest a modification to the laws of gravity, simply adding in an undiscovered mass with the right parameters beyond Uranus like Neptune, at left could explain the observed anomalies in its orbit.NASA Voyager 2 An additional planet beyond Uranus, gravitationally tugging on it, offered a potential solution. The orbital dynamics of the planets matched the law of gravity extremely well, with the relative newcomer, Uranus, providing the biggest outlier. Determining the mass, position, orbital distance and inclination of a potential planet beyond that caused these orbital perturbations was a herculean task.NASA JPL-Caltech R. Hurt Determining the mass, orbital parameters, and location of an unseen world presented incredible calculational challenges. Urbain Le Verrier, depicted here, was an extremely talented mathematician with an interest in astronomy. In 1845, the famed physicist Fran├žois Arago compelled Le Verrier to take up work on the problem of Uranus' orbit. By 1846, Le Verrier had a solution.Henri Chapu monument; Herbert Hall Turner photo On August 31, 1846, Urbain Le Verrier composed a letter detailing the hypothetical planet's location. From 1845 to 1846, British astronomer John Couch Adams, also working on the problem of Uranus' orbit, proposed no fewer than 5 potential locations for a hypothetical new planet, but detection remained elusive due to mistakes on both the theorist's and the observers' ends. Le Verrier made his first and only prediction in 1846, which led to a near-immediate observational discovery.J. Lequeux, Le Verrier - Magnificent and Detestable Astronomer 2013 On September 23, the letter arrived at the Berlin Observatory. The planet Neptune and its largest moon Triton, as photographed by the Voyager 2 space probe in August 1989. Although it requires a very strong telescope to be able to see Neptune's largest moon, Triton, Neptune itself can be seen with an off-the-shelf pair of binoculars, if you know where to look. With 1846-level technology, discovering its presence was easy and unambiguous, once its location was known.NASA Voyager 2 That evening, within 1° of Le Verrier's prediction, Neptune was discovered. Neptune was discovered way back in 1846, but was predicted by two men competing to discover it: John Couch Adams and Urbain Le Verrier. Today, the two main rings of Neptune are known as the Adams and Le Verrier rings.NASA Voyager 2 For the first time, a new astronomical object was discovered through its gravity alone. After discovering Neptune by examining the orbital anomalies of Uranus, Le Verrier turned his attention to the orbital anomalies of Mercury. He proposed an interior planet, Vulcan, as an explanation. Although Vulcan did not exist, it was Le Verrier's attention and calculations that helped lead Einstein to the eventual solution: General Relativity.Wikimedia Commons user Reyk Fran├žois Arago, who compelled Le Verrier to investigate Uranus' orbit, lauded him as “the discoverer of a planet with the point of his pen.” The grave of Urbain Le Verrier commemorates his tremendous contributions to astronomy, while history is likely to remember him as Arago did: as the discoverer of a planet with the mere stroke of a pen.Wikimedia Commons user Astrochemist Mostly Mute Monday tells the astronomical story of an object, phenomenon, or discovery in visuals, images, and no more than 200 words. Talk less; smile more.

Community news: Evergreen Park math team takes first at regional competition 

The Evergreen Park Community High School Mathletes won first place overall at regional competition, which means the entire team has qualified for state competition. “This was truly a team effort and a team win," said head coach Maria Vinci. EPCHS teams placed first in several categories, including Junior Algebra II and Senior Precalculus as well as the JunionSenior 8-Person and 2-Person teams. The team will head to state competition May 4 at The University of Illinois at Urbana-Champaign. School District 218 Michael McCready presents Eisenhower High School staff member Debbie Ciciora with a check for $500 after The Closet, which provides free clothing and other items for Eisenhower students, won the Best Local Youth Organization contest sponsored by McCready Law. Michael McCready presents Eisenhower High School staff member Debbie Ciciora with a check for $500 after The Closet, which provides free clothing and other items for Eisenhower students, won the Best Local Youth Organization contest sponsored by McCready Law. School District 218 Eisenhower Closet project lauded by law firm A project providing free clothing, hygiene products and other necessities for students at Eisenhower High School has won a Best Local Youth Organization for 2019 award. McCready Law, located on Western Avenue in Chicago, sponsored the contest. The Closet, now in its third year, helps students and families in need. McCready Law officials last week presented Debbie Ciciora, the Eisenhower staff member who manages The Closet, with a check for $500 for winning the award. Students may discreetly complete an on-line form to request a winter coat, new socks, hygiene products, and other items. The Closet also features a washing machine and dryer for students to use. Rose Alvarez, an administrator for McCready Law, said they selected The Closet “for its heartfelt desire to help their students overcome certain obstacles that aren’t always readily perceived as obstacles to get to school. “Whether it be not having a winter coat during a polar vortex or not wanting to be ridiculed for unwashed clothing, these are very real reasons a student might not show up to school,” she said. PLOWS offers Memory Cafe social gatherings PLOWS Council on Aging is sponsoring a new Memory Cafe to serve as a social gathering for people living with dementia and other forms of cognitive impairment and their care partners. The free events offer friendly conversation, an opportunity to relax and feel welcomed by and connected to the community and informative presentations from local experts on everything from interactive music activities, laugh therapy, engagement through art, and more. Lunch follows each meet up and there is no charge for the event or lunch. The Caf├ę takes place from 10 a.m. to 11:30 a.m. on the second Wednesday of every month through September at the Community Nutrition Network Site formerly Our Lady of Loretto School, 8925 S. Kostner Avenue in Hometown. Registration is required at 708-361-0219. Sandburg, Andrew, Stagg bands to play combined concert The Carl Sandburg High School, Victor J. Andrew and Amos Alonzo Stagg High School Wind Symphonies will perform at the first-ever District 230 Band Showcase at 7 p.m. March 13 at Wentz Concert Hall, 171 E. Chicago Ave. Naperville. Tickets to the event are free because of a grant from the District 230 Foundation. Students will have the opportunity to perform in one of the finest acoustic venues in the Midwest. And one song from each group will feature guest conductor Elizabeth Peterson from the University of Illinois. "We are incredibly grateful to the District 230 Foundation for providing the opportunity for this event," said Stagg Band Director Ribert Mecozzi. "We are very excited to be able to share the incredible work ethic, talent, dedication, and musicianship of the students in these programs. Beyond just the opportunity to play in an incredibly concert hall, we are excited that the students from each school will listen to each other perform, and share in the common bond of music performance." Orland Veterans Commission sets military memorabilia show The Village of Orland Park Veterans Commission will host its annual Military Expo, Collectibles Show & Sale on April 7 at the Orland Park Civic Center, 14750 South Ravinia Ave. The Will County Model Railroad Association will be on site for the duration of the event, from 8 a.m. until 2 p.m. The Animal Quest Petting Zoo will be at the expo from 9:30 a.m. until 11 a.m. and Frankie the Dinosaur will make an appearance from 11:30 a.m. until 12:30 p.m. Admission to the expo is $5 for adults, $3 for veterans and seniors and children under age 12 free. Attendees are asked to bring requested items for Kruze’s Krew who will be onsite collecting items to send to U.S. troops in harm’s way. A complete list of items needed appears on the Village of Orland Park Page and is available at the village hall. More memorabilia vendors are sought. Table reservations and more information are at 708403-6115 or email at tmdubelbeisorlandpark. Send news to Communitynewssouthtownstarm.

South Dakota artist creates display that teaches math, art 

In the midst of patrons running laps and playing pickleball, a display devoted to the art of perspective is currently set up in the Lookout Room at the Spearfish rec center. A group of eighth-grade students recently got to explore the "Up, Down, and All Around" display with its creator, Spearfish artist Dick Termes. "The concept behind this is basically teaching people about total visual space, that we always are in a total space around us, all the time, and we don't even think about it. This makes us think about it a little bit. Everything I do is based on that total visual space," Termes explained. Termes is known across the globe for his Termespheres, varying sizes of spherical wonders that feature the artist's signature six point perspective, the Black Hills Pioneer reported. Termes chooses the "rotating point," or center of the sphere, which determines the perspective one sees, as the rotating point is as if standing inside the sphere itself. The six points are then directly above, below, in front, behind, and to each side, equally spaced. Termes explained that the display, which features different stations that allow participants to explore drawing, perspective, 3D geometries, 2D and 3D puzzles, and more, was originally commissioned by the South Dakota Discovery Center in Pierre. The hands-on center had created a series of displays, with topics like electricity, dinosaurs, insects, etc., that could be contained within trailers that different groups could check out to use in libraries, schools, etc. The center approached Termes about creating one focused on Termespheres, so he created the display, which was then used by the center for a number of years. Sign Up and Save Get six months of free digital access to the Lexington Herald-Leader After the center stopped utilizing the trailers, Termes bought the trailer and display, which he uses at different locations and gallery shows. "It is really pretty fun, and I would love to get more students through it," he said, describing that the display will be up at the rec center through March before heading to the Dahl Arts Center in Rapid City where Termes has a show. Eighth-grade students in art teacher Brandi Roetzel's classes recently went through the display with Termes, after he had visited their classrooms previously to help them create their own Termespheres. Roetzel said that the experience brings the students out into the community, getting them out of the classroom, up, and moving. "They get to see a local artist, and he's also a world-famous artist," she said, describing that all of the different elements in Termes's techniques show the students that art is more than the traditional methods that come to mind. Roetzel said she is looking forward to bringing in another group of students to the display during the upcoming trimester. "He gets them out of the 'Art is just drawing, art is just painting' misconception and gets them out into the world and how to apply all of those elements to the world," she said. ___ Information from: Black Hills Pioneer, An AP Member Exchange shared by the Black Hills Pioneer.

Math Hysteria 

They all rely on various mathematical operations, I guess, although 95A is really more a notation thing, I guess, if that’s what you would call a decimal. Put your pun hat on for the BB in “3.BB” and you’ll get it: THREE 3 POINT . SHOT BB, as in BB gun. 86A is algebraic, with a variable divisor — X — and four $ signs, making a CASH DIVIDEND how much we can’t say, but it’s money. 39A is the purest form of a balanced equation — “x — y = x — y.” True — both sides are the SAME DIFFERENCE. My favorite, which had no actual numbers, was one of the occasional puzzle tricks that I remember thinking of once in the past, probably at one of those family meetings where everyone somberly discusses what to do when the piano falls through the ceiling and we need to know how to settle all the unforeseen debts the piano was supposed to be full of rare coins, but they were worthless, all lead slugs. It is at 116A, and if you recognize “Esq.” as the lawyerly suffix then you can see what this is POWER OF ATTORNEY — “X” raised to the power of “Esq.” — an exponential quantity of lawyers. As long as you went to junior high school and know your West Coast newspapers and your satanic numerology, you will ace the rest of this test. Constructor Notes I wish I understood how my brain works. A decade ago I saw a photoshop contest on the theme of “scary road signs,” whose entries included one enforcing a speed limit of the square root of 666. I haven’t the foggiest idea why my brain held onto that image, or why it dragged the memory out kicking and screaming 10 years later just for the sake of generating a “root of all evil” pun. Once it did, though, and because every dang thing becomes a theme in this hobby, there was no way I wasn’t going to run with it. It wasn’t until writing this blurb that I went looking for the original image, only to discover that it actually showed the square root of 677. I give up, brain. This represents my second attempt at the concept after the first was rejected by Will, who liked the theme but not the execution; some but not all of the theme entries in that original go-round relied on homophones, like SINE OF THE TIMES sinAxB and HALF A GOOD DAY . 5 x 1225, which proved inconsistent. The do-over is much tighter over all with a minimum of wince-and-hide-my-eyes fill, which isn’t to say that I wouldn’t love to gut the SW corner another six times. The fill went relatively quickly, although the nipping and tucking portion of the process dragged on for quite a while. You’d think I’d have learned by now to hack away at the center first, where everything crashes into everything else Michael Bay-style, but old habits die awfully hard. And yes, I was a math major before switching to English, which is as good an explanation not only for this puzzle but also for why I do this in the first place. Such is life. Divided, not conquered? Subscribers can take a peek at the answer key. Trying to get back to the puzzle page? Right here. What did you think?

116-year-old woman honored as world's oldest person enjoys studying math 

Woman honored as world's oldest person enjoys studying math A 116-year-old Japanese woman -- who is usually up by 6 a.m. and enjoys studying mathematics -- was honored Saturday as the world's oldest living person by Guinness World Records. The global authority on records officially recognized Kane Tanaka in a ceremony at the nursing home where she lives in Fukuoka, in Japan's southwest.  Her family and the mayor were present to celebrate.  Tanaka was born on January 2 in 1903, the seventh among eight children. She married Hideo Tanaka in 1922, and they had four children and adopted another child. The previous oldest living person was another Japanese woman, Chiyo Miyako, who died in July at age 117. The oldest person prior to Miyako was also Japanese. Japanese tend to exhibit longevity and dominate the oldest-person list. Although changing dietary habits mean obesity has been rising, it's still relatively rare in a nation whose culinary tradition focuses on fish, rice, vegetables and other food low in fat. Age is also traditionally respected in the country, meaning people stay active and feel useful into their 80s and beyond.  Kane Tanaka celebrates during a ceremony to recognize her as the world's oldest person living and world's oldest woman living by the Guinness World Records in Fukuoka, Japan, March 9, 2019.  KYODOREUTERS Tanaka loves playing the board game Othello. She has a ways to go before she is the oldest person ever, an achievement of a French woman, Jeanne Louise Calment, who lived to 122 years, according to Guinness World Records.  Guinness said the world's oldest man is still under investigation after the man who had the honors, Masazo Nonaka, living on Japan's northernmost island of Hokkaido, died in January at 113.

Think Too Much: Math 'fanatic' offers another slice of pi 

No result found, try new keyword!My favorite political yard sign pops up most every election season along one of my running routes: Here's the message on the sign: "No on Pi. It's Irrational." This is, of course, a math joke: Pi is n...

Extra study pays off for Brewer at Morgan math tournament 

No result found, try new keyword!PRICEVILLE — A group of Brewer students who have been meeting to talk numbers since they were students at Eva saw the fruits of their labor pay off Friday as the school won two of three categories dur...

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