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Amid the COVID-19 outbreak, many schools are closing. Teachers across the country are getting creative, even taking their classrooms remote. Many schools across the country have canceled classes, but not all. Some have asked students to take their learning into their homes. One Colorado charter school is making it all happen and finding some benefits in the process. Math teacher Marilyn Hartzell has turned her kitchen into an at-home classroom.“Our group of schools decided that we would try to teach online,” Hartzell said.The school sent students home with Chrome Books in order to continue their education online.Aside from the location, the school day looks very much the same. Instead of classrooms, students are jumping from one Google chat class to the next.“I think for right now, because this is super new, the engagement is super high,” Hartzell said.There are some benefits about teaching remote.“It takes a lot longer to set up these assignments online, but in the end, the grading part and the ability to analyze the skills and what the kids are understanding is a lot faster,” Hartzell said.With technology comes challenges. Hartzell says it’s hard to ask students to fix their wifi. But, if technology fails all together, she has pre-recorded lessons and posted them on YouTube.While class for many students around the country has been postponed, Hartzell and her students are embracing remote school.“We are anticipating we probably won’t come back this school year,” she said.However, Hartzell wants everyone to keep in mind that although technology is a great tool, it doesn’t teach children. 1627
All just got a little hotter round here! The first phase of test results for our precooler heat exchanger replicate supersonic flight conditions at Mach 3.3. Further #HotHTX tests to #hypersonic coming soon @SpaceportCO #futureflight #thermalmanagement https://t.co/4fMgeTgEvD pic.twitter.com/JWUOhpsuLr— Reaction Engines Ltd (@ReactionEngines) April 8, 2019 372

A World Health Organization funded study published this week in the Lancet found that masks, physical distancing and eye protection offer substantial reduction in the spread of COVID-19. The study cautioned that even when used effectively and in combination, none of the interventions will completely prevent the spread of the virus. But the study’s authors offer some optimism the virus can be significantly slowed sans a vaccine. Keeping a distance of 1 meter in both healthcare and community settings reduced the risk of infection by 82 percent, according the research authored by a group of six infectious disease experts. Every additional meter of separation more than doubled the relative protection. “This evidence is important to support community physical distancing guidelines and shows risk reduction is feasible by physical distancing,” the study said. “Moreover, this finding can inform lifting of societal restrictions and safer ways of gathering in the community.”The study found that infectious droplets can travel up to 8 feet, and can stay in the air for hours. The use of masks and respirators with those infected with the virus reduced the risk of spreading the infection by 85%. The authors analyzed data that showed that N95 respirators in healthcare settings were up to 96% effective. Other masks were found to be 77% effective.Dr. Derek Chu from McMaster University, and co-author of the study, found that the most effective homemade masks should be ones that are water-resistant, have multiple layers, and are a good facial fit. The study also suggests that wearing eye protection resulted in a 78% reduction in infection; infection via the ocular route might occur by aerosol transmission or self-inoculation the study said. This point was one the researchers had less confidence in, and further data is needed to draw a conclusion. To read the full study, click 1901
Amid a day of massive unrest in the United States, seven protesters were shot late Thursday night in downtown Louisville, Kentucky.One of the shooting victims was in critical condition as of Friday morning. The conditions of the other victims are "unknown." Police said there have been "several" arrests.Police said that no officers fired their weapons, and all those involved were civilians.As most in the country protested the death of 450
American Airlines is extending flight cancellations into mid-August because of the Boeing 737 Max grounding.American, the world's largest airline, decided to extend cancellations from early June through August 19, to help plan ahead for the busy summer travel season. Southwest Airlines last week also extended flight cancellations for 737 Max planes from June until August."Based upon our ongoing work with the Federal Aviation Administration (FAA) and Boeing, we are highly confident that the MAX will be recertified prior to this time," American Chairman and CEO Doug Parker and President Robert Isom said Sunday in a message to airline staff. "But by extending our cancellations through the summer, we can plan more reliably for the peak travel season."Approximately 115 flights a day will be canceled through August 19, representing about 1.5% of the airline's total daily flights, they said.The airline has 24 737 Max jets in its fleet. American has previously said that all flights that were originally scheduled on a MAX plane will not be canceled, with some being substituted with other aircraft.The 737 Max was grounded in March after one of the planes flown by Ethiopian Airlines crashed, killing everyone on board. It was the second accident involving the jet model in less than six months, after another flown by Indonesia's Lion Air crashed last October. The crashes killed 346 people in total.The causes of the crashes are still being investigated, but the focus has been on an automatic safety feature that may have forced the nose of each plane lower when it incorrectly sensed the plane was in danger of going into a stall.Boeing and the FAA said they are working on an upgrade of the 737 Max software to deal with that safety feature.Boeing CEO Dennis Muilenburg said on Thursday the planemaker is closing in on a fix for the software, and a majority of the 50 customers that have ordered 737 Max planes have had a chance to test it using a flight simulator.He added that the update will make the plane "even safer" because it will prevent "erroneous" sensor readings."It's our responsibility to eliminate this risk," Muilenburg said.Muilenburg did not say when 737 Max planes may begin flying again.Boeing announced earlier this month it was cutting the production rate for all of its 737 planes from 52 a month to 42 amid the worldwide grounding. 2379
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