Pushing the Envelope: The Art and Science of Ballooning — STEM in 30



There’s more to balloons than birthday parties! Hot air balloons changed the world centuries ago, and they continue to teach us a lot about science. Learn about the art and science of ballooning from Air and Space experts and ABC’s chief meteorologist Ginger Zee in this episode of STEM in 30.
Standards for Educators
National Core Arts Standards:
Anchor Standard #1: Generate and conceptualize artistic work and ideas
Anchor Standard #8: Interpret intent and meaning in artistic work
Anchor Standard #11: Relate artistic ideas and works with societal, cultural and historical context to deepen understanding.
NGSS:
MS-PS1-1 Matter and its Interactions (Atomic Composition)
MS-PS1-4 Matter and its Interactions (Particle motion and temperature)
For more educational resources on Ballooning, be sure to check out the STEM in 30 collection on Smithsonian Learning Lab. learninglab.si.edu/collections/world-war-ii/6Yc7MtgiNxdvFTjq#r/
This episode brought to you by the generous support of the Norfolk Charitable Trust
For more FREE teacher resources from the Smithsonian’s National Air and Space Museum visit STEM in 30, the museum's Emmy nominated TV show for middle school students: airandspace.si.edu/stem-30

Master Hot Air Balloon Pilot Bill Costen: Air and Space Live Chat



They may seem low-tech but balloons are important to aviation and space. This live chat features pioneering Black hot air balloon pilot Bill Costen.
Recorded October 9, 2020
This live chat is part of the Museum's STEM in 30 program for middle school students. Watch the latest episode «Pushing the Envelope: The Art and Science of Ballooning» here: www.youtube.com/watch?v=sqoXjiWnm2Y&list=PL6RlkQnoCx_UeWQpT5dDXUssF94xYSPkH&index=1
For more learning resources about balloons check out Smithsonian Learning Lab: learninglab.si.edu/collections/balloons/C9mXWNeWprqoXUr6#r
For more FREE teacher resources from the Smithsonian’s National Air and Space Museum visit STEM in 30, the museum's Emmy nominated TV show for middle school students: airandspace.si.edu/stem-30

The Race to Mars in 2020



Mars is our next door neighbor, yet we almost never visit. But in July of 2020 humans are launching four separate missions to Mars.
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The missions are all launching in July 2020 because it is the ideal time to get a spacecraft to Mars while using the least amount of rocket fuel.
But not because the two planets are at their closest, instead it has to do with something called a Hohmann transfer orbit—the most efficient way to send a spacecraft to Mars.
This orbit is elliptical, and uses the sun as one focal point. The spacecraft’s launch is at the closest point to the sun, or perihelion, and it crosses Mars’ path at its farthest point from the sun, or aphelion. It is very important that Mars is actually there when the spacecraft arrives, but for that to happen the spacecraft has to be launched at just the right time.
The time it takes a spacecraft to travel from perihelion to its aphelion in Mars’ orbit is approximately 259 days. During that time Mars will move about 136 degrees, since Mars is farther from the sun than Earth and takes longer to move the same angular distance.
So in order to sync up the 180 degrees the spacecraft will travel while Mars moves 136 degrees, the spacecraft needs to launch when Mars has a 44 degree head start. This happens for a few weeks once every 26 months, and the next time it will happen is mid-July of 2020.
And so, this time around a lot of space agencies are geared up for launch.
Find out more about all the July 2020 missions to the Red Planet in this Elements.
#Mars #NASA #Space #seeker #science #elements
Read More:
Mars 2020: The search for ancient life is on
news.mit.edu/2020/mars-2020-search-for-ancient-life-is-on-0221
«If there is a story of life on Mars, there may also be a story of death — the catastrophic loss of an atmosphere, and potentially with it, a temperate environment and liquid water. 'The big question is, why did Mars go from being warm and wet to cold and dry,' says Weiss, a planetary geophysicist. 'One of the leading ideas is that it lost its atmosphere.'»
Nasa's 2020 rover: Can we finally answer the big question about Mars?
www.bbc.com/news/science-environment-51544476
«So how will people react if a rover finds something intriguing imprinted in billions-of-years-old rock on another planet? 2020 mission scientist Jim Bell from Arizona State University is candid in his response: 'We can make a claim about a biosignature, but it's not clear to me anyone would believe us,' he said.»
The moon, Mars and beyond… the space race in 2020
www.theguardian.com/science/2020/jan/05/space-race-moon-mars-asteroids-commercial-launches
«At last, humanity is returning to explore the heavens with renewed vigour. However, it is not just the US and Russia that are dominating this year’s space agenda. India, Japan and China are all planning complex programmes and are vying to become space powers in their own rights.»
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Seeker empowers the curious to understand the science shaping our world. We tell award-winning stories about the natural forces and groundbreaking innovations that impact our lives, our planet, and our universe.
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The Stunning Images Of Mars: Curiosity Rover



The Stunning Images Of Mars: Curiosity Rover
This is the Curiosity rover. Designed initially to explore the crater Gale on Mars as part of NASA's Mars Science Laboratory mission, Curiosity was launched from Cape Canaveral on November 26, 2011, and landed inside Gale on Mars on August 6, 2012.
The landing site of the car sized-rover was less than 1 ½” miles from its touchdown target after completing a 350 million mile journey. Its goal was to investigate Martian climate and geology and assess if environmental conditions were favorable for microbial life. It would also go on to conduct planetary habitability studies in preparation for human exploration of Mars.
Curiosity's two-year mission was would be extended indefinitely and continues to send back images and data to this day. This is a visual tour of its mission.
Image 2 — This mosaic taken at the rover’s landing site in the Gale Crater was created by using 27 images from its mast-mounted Left Navigation Camera.
Image 3 — Looking at Curiosity's landing site in color reveals the gravelly area surface of the Gale Crater. The terrain falls off into a depression and beyond that is the boulder-strewn, red-brown rim of a moderately-sized impact crater. Farther off in the distance, there are dark dunes and then the layered rock at the base of Mount Sharp.
Image 4 — This image from the Mars Hand Lens Imager camera shows a small bright object on the ground beside the rover. The object is about half an inch long and the rover team believes this object to be debris from the spacecraft, possibly from the events of landing on Mars.
Image 5 — This is the «Shaler» outcrop taken during the 120th day of Curiosity's mission. Its dramatically layering patterns suggested evidence of past streamflow in some locations.
Image 6 — This is a view of the «John Klein» location selected for the first rock drilling by NASA's Mars rover Curiosity taken during the afternoon of the 153rd Martian day of Curiosity's mission. The veins giving rise to evidence of a wet past are common in the flat-lying rocks of the area.
Image 7 — Called the «mini drill test,» Curiosity used its drill to generate this ring of powdered rock for inspection in advance of the rover's first full drilling. Curiosity performed the mini drill test during the 180th Martian day of its mission.
Image 8 — This is Mount Sharp, also known as Aeolis Mons, its a layered mound in the center of Mars' Gale Crater, rising more than 3 miles above the floor of the Gale crater. Lower slopes of Mount Sharp were a major destination for the mission where it searched evidence of a past environment favorable for microbial life.
Image 9 —
This the view of an outcrop called «Point Lake.» The outcrop is about 20 inches high and pockmarked with holes. Curiosity recorded the 20 component images for this mosaic on the mission's 302nd Martian day.
Image 10 —
This scene combines seven images from the telephoto-lens camera onboard Curiosity. The images were taken on the 343rd Martian day of the mission. The rover had driven 205 feet the day before to arrive at the location providing this vista. The center of the scene is toward the southwest. A rise topped by two gray rocks near the center of the scene is informally named «Twin Cairns Island.»
Image 11 — This mosaic of images are from geological members of the Yellowknife Bay formation, and the sites where Curiosity drilled into the lowest-lying member, called Sheepbed, at targets «John Klein» and «Cumberland.» The scene has the Sheepbed mudstone in the foreground and rises up through Gillespie Lake member to the Point Lake outcrop. These rocks record superimposed ancient lake and stream deposits that offered past environmental conditions favorable for microbial life. Rocks here were exposed about 70 million years ago by removal of overlying layers due to erosion by the wind.
Image 12 — This scene combines images taken during the midafternoon of the mission's 526th Martian day. The sand dune in the upper center of the image spans a gap, called «Dingo Gap,» between two short scarps.
Image 13 — This look back at a dune that the Curiosity drove across was taken during the 538th Martian day. The rover had driven over the dune three days earlier.
Image 14 — The scene combines multiple images taken with both cameras of the Mast Camera (Mastcam) on Curiosity during its 1,087th Martian day. Taken at the lower slope of Mount Sharp and Spanning from the east, to the southwest it shows Large-scale crossbedding in the sandstone. This is a feature common in petrified sand dunes even on earth.
Image 15 — Curiosity recorded this view of the sun setting at the close of the mission's 956th Martian day. This was the first sunset from the martian surfaced, observed in color by Curiosity.

Inside NASA's new Mars rover concept vehicle



NASA has successfully operated six unmanned landing craft and vehicles on the Martian surface since the first one landed there more than 40 years ago. CBS News' Omar Villafranca takes a look inside what a future, manned Mars rover might look like.
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Пули против лобового стекла самолета и двери кабины пилота | Разрушительное ранчо | Перевод Zёбры



Поддержать рублем: www.patreon.com/zyobr
ЯД: yasobe.ru/na/zebra
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Мэтт с Разрушительного ранчо (Demolition Ranch) с парой трушных американских героев расстреливает лобовые стекла небольшого и крупного самолетов, а также дверь кабины пилота.
Ссылки:
flipsidecanvas.com
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www.youtube.com/channel/UCvGC46FcB8QTaYLWm9bAyMg
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Оригинальное видео (вышло 16 февраля 2019 года) — youtu.be/1KO4jjzkSj0
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6 САМЫХ МАСШТАБНЫХ ГРУЗОПЕРЕВОЗОК В МИРЕ!



Каждый день на нашей планете даже в самых удалённых её уголках совершаются миллионы грузоперевозок. Продукты и одежду везут в магазины, материалы на стройки, различное сырье – на фабрики и производственные цеха. Грузовые машины мы видим каждый день, зачастую даже не по одному разу. Но задумывались ли вы когда-нибудь о том, что перечисленные грузы в общем-то имеют довольно небольшой размер? Вот теперь наверняка задумались, и само собой напрашивается вопрос: а как перевозят объекты, которые слишком большие, чтобы уместиться, например, в грузовик или вагон? Сегодня мы дадим ответ на этот вопрос. Перед вами самые масштабные грузоперевозки, какие только осуществлялись за последние десятилетия.

Лучшие аксессуары для авто, которые ты точно захочешь себе



Сегодня вы увидите самые лучшие аксессуары и гаджеты для автомобиля, которые могут быть реально полезными каждому водителю.
Какое изобретение понравилось Вам больше всего? Напишите в комментариях.
Лучшие аксессуары для авто, которые ты точно захочешь себе
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Tech box – крутые видео на тему гаджетов, технологий и изобретений.
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МУЖЧИНА ЗАМЕТИЛ, ЧТО ЕГО ПЕС КАЖДУЮ НОЧЬ НАБЛЮДАЕТ ЗА НИМ КОГДА ОН УЗНАЛ ПОЧЕМУ, ОН ЗАПЛАКАЛ



В современном мире практически не осталось людей, которые не держали бы домашнего питомца. Среди всех животных собака выделяется своей самоотверженной преданностью и невероятной любовью к хозяину. Сложно найти более поразительного компаньона, чем пёс. Люди приходят и уходят, могут предать, но любимый питомец не придаст никогда, потому что хозяин – смысл его жизни. Сегодня мы расскажем вам две трогательные истории, которые не оставят вас равнодушными.

ПОЧЕМУ эти двигатели ЗАПРЕЩЕНЫ?



Как создать запретную технологию? Очень легко… Достаточно, просто, придумать нечто такое, что уменьшит доходы крупнейших империй мира. Двигатели, инновации и любые новинки, которые угрожают трону нефтетрейдеров и фармкомпаний, очень быстро становятся «забытыми» и «запрещенными»…