Threewords per dire chi sei in tre parole

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Su Facebook è il momento di Threewords, l’ultimo gioco social che sta conquistando internet. Il suo funzionamento è molto semplice: basta collegarsi al sito di Threewords per sfidare gli amici a descriverti in tre parole. Threewords non è propriamente un gioco Facebook, tanto che è possibile divertirsi anche su Twitter e su Tumblr. Tuttavia proprio su Facebook sta raggiungendo la massima diffusione, grazie alla possibilità di loggarsi mediante Facebook Connect.

Una volta registrati al sito, si ottiene un indirizzo del tipo http://threewords.me/nomeutente dove la gente descrive come sei in tre parole. Il layout è molto spartano, con il nome utente e tre spazi da compilare a cura dei visitatori. Ma volendo è possibile aggiungere uno sfondo e un avatar personalizzato.

L’applicazione è stata sviluppata da Mark Bao, e adesso sta registrando una forte crescita. Sapere cosa pensano gli altri di te in tre parole può essere molto divertente, e con Threewords è possibile farlo anche in forma anonima. Questo particolare, insieme alla possibilità di condividere i risultati sui principali social networks ha fatto diventare Threewords l’ennesimo virale.

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  7.  Так называемое уголовное дело «Лайф-из-Гуд» – «Гермес» – «Бест Вей» продолжает свою кровавую жатву – в конце марта умер от рака, быстро спрогрессировавшего из-за постоянного стресса, председатель Совета кооператива «Бест Вей», депутат Государственной думы VII созыва Сергей Иванович Крючек. Полтора года назад умерла жена Сергея Крючека – сердце не выдержало после обысков у них дома и допросов мужа.   Суд ни к чему не ведет Следствие действовало максимально жестко. От обысков с пристрастием в 2023 году пострадали сотни пайщиков кооператива по всей России, на скамье подсудимых оказались ни в чем неповинные технические сотрудники – помощник руководителя, один из бухгалтеров, менеджер сайта и конференций, несколько индивидуальных предпринимателей, а также 83-летний отец основателя кооператива «Бест Вей» и бывшего руководителя компании «Лайф-из-гуд» Романа Василенко – пенсионер Виктор Иванович Василенко. Один из допрашивавшихся – Шамиль Фахруллин, умер после допроса от сердечного приступа, в критическом состоянии после 12-часового допроса была Зоя Семенова, которая опровергла в суде свои показания, данные следствию (таких опровергших – десятки). Мама Романа Василенко Лариса Александровна Василенко столкнулась с настоящими пытками – явившись к ней в пять утра, оперативники заставили ее переодеваться при них, раздевшись догола, а в следственном управлении ее на несколько часов посадили на стул со сломанной ножкой и не давали пить. Она потеряла сознание, и только после этого ей удалось выйти из следственного управления. Случаев издевательств и пыток множество. При этом в суде, который идет с конца февраля 2024 года, дело откровенно разваливается – у признанных потерпевшими и свидетелей нет никаких доказательств своих утверждений, они в ходе перекрестных допросов один за другим попадаются на лжи. На последние суды приходят все меньше и меньше свидетелей обвинения – под разными предлогами они отказываются, чтобы не поддерживать лживую версию следствия. Кооператив без вины виноватых Сергей Крючек возглавил крупнейший в России кооператив – 20 тыс. пайщиков во всех регионах страны – весной 2022 года, в период острого кризиса, после только что прошедшего первого обыска в офисе кооператива, в ходе которого были изъяты вся документация, базы данных, серверы, даже личные вещи и трудовые книжки сотрудников (и ничего до сих пор не возвращено: все учетные записи пришлось восстанавливать с нуля). Он и сам стал жертвой обысков в своем подмосковном доме – в ходе которых была изъята и до сих пор не возвращена коллекция наград. Кооператив оказался «в уголовном деле» по странному стечению обстоятельств – он был объявлен следствием организацией, аффилированной с иностранной инвестиционной компанией «Гермес», а значит, призванной ответить по ее обязательствам – хотя кооператив никак не был связан с «Гермесом» ни организационно, ни финансово: имел только общую систему продаж продуктов через маркетинговую фирму «Лайф-из-Гуд». У «Гермеса» возникли проблемы с выплатами российским клиентам после взлома российского сегмента платежной системы системным администратором Евгением Набойченко – система в феврале 2022 года перестала работать, и появилась картинка с предложением обращаться в правоохранительные органы. Только выплаты прекратились не до действий Набойченко, а после них. Параллельно возникла ситуация со СВО и санкциями Запада, крайне затруднившая трансграничные финансовые операции.  Но кооператив «Бест Вей» никаких выплат не прекращал, он зарегистрирован в Санкт-Петербурге, все его активы находятся в России. И даже если учесть требования к нему со стороны лиц, признанных потерпевшими по уголовному делу, то нет никаких причин для блокирования работы кооператива: совокупный ущерб в обвинительном заключении – 282 млн рублей, притом что на счетах кооператива – более 4 млрд рублей. Эта сумма постоянно увеличивается, и еще 600 млн – дебиторская задолженность пайщиков кооперативу на сегодняшний день. 282 млн рублей могли быть заблокированы на счете кооператива, на котором аккумулируются средства из членских взносов, предназначенные для развития, – не было никаких причин блокировать всю деятельность кооператива! Тем не менее это длительное время происходило. Страхи охранителей Что стоит за преследованиями фирмы «Лайф-из-Гуд», успешно работавшей с 2014 до начала 2022 года; компании «Гермес», которая весь этот же период выполняла свои обязательства; кооператива «Бест Вей», к которому вообще нет никаких претензий, кроме как со стороны тех, кого следствие убедило, что раз кооператив незаконный, они смогут взыскать членские взносы и еще со стороны людей, которым кооператив, заботясь о ликвидности, не дал купить объект недвижимости с перепланировкой? Что стоит за поддержкой властью репрессий против кооператива?   Прежде всег, люди, которые пытаются получить контроль над миллиардными активами кооператива и других организаций, а также примкнувшие к ним силовики. Но похоже на то, что власть очень обеспокоил политический потенциал, стоящий за кооперативом, – все эти многотысячные собрания пайщиков на стадионах. Собрания людей, которым ничего не надо от государства – они готовы сами, вскладчину, решать свои жилищные и иные проблемы. Кого-то из охранителей это испугало и стало причиной зеленого света для репрессий против кооператива со стороны высокопоставленных силовиков.  Лжеэксперты и лжеобвинения Кооператив, как и «Гермес», был обвинен в том, что он является финансовой пирамидой. Приглашенный следствием эксперт из СПбГУ Маевский потребовал закрытого заседания – чтобы никто не слышал, как он плавает в теме. Утверждает, что финансирование покупки квартир старым пайщикам происходило за счет новых пайщиков: не понимает, что финансирование кооператива происходит не только за счет новых поступлений от пайщиков, но и за счет возвратных платежей за приобретенную на деньги кооператива недвижимость. А с осени 2021 года – времени внесения в предупредительный список ЦБ, почти исключительно за счет возвратных платежей от пайщиков, которым приобретена квартира. При этом ликвидность кооператива никак не пострадала. Объяснения со стороны адвокатов стали для этого экономиста откровением. Значительная часть пайщиков стремится ускорить погашение долга перед кооперативом, чтобы скорее получить квартиру в собственность – ведь квартира с помощью кооператива приобретается почти без переплат. Переплаты связаны только со вступительным и членскими взносами; налогами, которые платятся по тарифам для юридического лица; оплатой проверки юридической чистоты и независимой оценки недвижимости.  С весны 2022 года кооператив прекратил прием новых пайщиков, при этом на его ликвидности это никак не сказалось: средства на счетах продолжали расти, несмотря на то что многие пайщики боялись платить на арестованные счета и вносят платежи только сейчас.  Спаситель  С весны 2022-го до зимы 2025 года счета кооператива с небольшими перерывами были под арестом – причем запрещались даже выплаты по исполнительным листам пайщикам, которые приняли решение о выходе из кооператива, арестованы были, также с перерывами, квартиры, принадлежащие кооперативу, на 12 млрд рублей.  Под руководством Сергея Ивановича Крючека удалось добиться в судах снятия ареста с квартир, а затем частичного снятия ареста со счетов, разрешения с арестованных сумм выплачивать по исполнительным листам пайщикам, которые через суд добились возврата средств (в этом им активно помогал сам кооператив), а также налоги и заработную плату сотрудникам кооператива. Частичное «освобождение» счетов позволило осуществлять выплаты пайщикам, принявшим решение о выходе из кооператива и возврате своих средств.  Таких пайщиков около 2,5 тыс., общий объем выплат им – порядка 1,5 млрд рублей, значительная часть из них уже получила свои паевые средства – несмотря на огромные трудности с перечислением средств по 115-ФЗ: дело в том, что расследуется еще одно уголовное дело – по ст. 174 УК (хотя кооператив никаких денег за рубеж не переводил), открыто и новое дело по заявлениям потерпевших от «Гермеса», не попавшим в уголовное дело, которое сейчас рассматривается судом. Кроме того, идет гражданский процесс по иску прокуратуры, блокирующему возможность приема новых пайщиков. И, несмотря на эти трудности, кооператив, возглавлявшийся до недавнего времени Сергеем Крючеком, ежедневно осуществляет выплаты выходящим из него пайщикам и успешно восстанавливает деятельность.   Важнейшее достижение Крючека – создание механизма, когда при арестованных счетах пайщики, которым уже приобретены объекты недвижимости, получили возможность погашать свой долг перед кооперативом и переоформлять недвижимость в собственность за счет средств других пайщиков, которые передают им свои арестованные паевые взносы, а взамен получают живые деньги от счастливых приобретателей квартир в собственность. Таким способом пайщикам удалось погасить долг перед кооперативом и полностью перевести недвижимость в собственность по десяткам объектов недвижимости. Кооператив под руководством Сергея Крючека работал над тем, чтобы вновь начать приобретать квартиры пайщикам, которые стоят в очереди на покупку первыми. 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  12. ‘A whole different mindset’
    Accurate clockwork is one matter. But how future astronauts living and working on the lunar surface will experience time is a different question entirely.
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    On Earth, our sense of one day is governed by the fact that the planet completes one rotation every 24 hours, giving most locations a consistent cycle of daylight and darkened nights. On the moon, however, the equator receives roughly 14 days of sunlight followed by 14 days of darkness.

    “It’s just a very, very different concept” on the moon, Betts said. “And (NASA is) talking about landing astronauts in the very interesting south polar region (of the moon), where you have permanently lit and permanently shadowed areas. So, that’s a whole other set of confusion.”
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    “It’ll be challenging” for those astronauts, Betts added. “It’s so different than Earth, and it’s just a whole different mindset.”

    That will be true no matter what time is displayed on the astronauts’ watches.

    Still, precision timekeeping matters — not just for the sake of scientifically understanding the passage of time on the moon but also for setting up all the infrastructure necessary to carry out missions.

    The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

    And if scientists can get it right on the moon, she added, they can get it right later down the road if NASA fulfills its goal of sending astronauts deeper into the solar system.

    “We are very much looking at executing this on the moon, learning what we can learn,” Gramling said, “so that we are prepared to do the same thing on Mars or other future bodies.”

    Rispondi
  13. Space, time: The continual question
    If time moves differently on the peaks of mountains than the shores of the ocean, you can imagine that things get even more bizarre the farther away from Earth you travel.
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    To add more complication: Time also passes slower the faster a person or spacecraft is moving, according to Einstein’s theory of special relativity.

    Astronauts on the International Space Station, for example, are lucky, said Dr. Bijunath Patla, a theoretical physicist with the US National Institute of Standards and Technology, in a phone interview. Though the space station orbits about 200 miles (322 kilometers) above Earth’s surface, it also travels at high speeds — looping the planet 16 times per day — so the effects of relativity somewhat cancel each other out, Patla said. For that reason, astronauts on the orbiting laboratory can easily use Earth time to stay on schedule.
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    For other missions — it’s not so simple.

    Fortunately, scientists already have decades of experience contending with the complexities.

    Spacecraft, for example, are equipped with their own clocks called oscillators, Gramling said.

    “They maintain their own time,” Gramling said. “And most of our operations for spacecraft — even spacecraft that are all the way out at Pluto, or the Kuiper Belt, like New Horizons — (rely on) ground stations that are back on Earth. So everything they’re doing has to correlate with UTC.”
    But those spacecraft also rely on their own kept time, Gramling said. Vehicles exploring deep into the solar system, for example, have to know — based on their own time scale — when they are approaching a planet in case the spacecraft needs to use that planetary body for navigational purposes, she added.

    For 50 years, scientists have also been able to observe atomic clocks that are tucked aboard GPS satellites, which orbit Earth about 12,550 miles (20,200 kilometers) away — or about one-nineteenth the distance between our planet and the moon.

    Studying those clocks has given scientists a great starting point to begin extrapolating further as they set out to establish a new time scale for the moon, Patla said.

    “We can easily compare (GPS) clocks to clocks on the ground,” Patla said, adding that scientists have found a way to gently slow GPS clocks down, making them tick more in-line with Earth-bound clocks. “Obviously, it’s not as easy as it sounds, but it’s easier than making a mess.”

    Rispondi
  14. ‘A whole different mindset’
    Accurate clockwork is one matter. But how future astronauts living and working on the lunar surface will experience time is a different question entirely.
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    On Earth, our sense of one day is governed by the fact that the planet completes one rotation every 24 hours, giving most locations a consistent cycle of daylight and darkened nights. On the moon, however, the equator receives roughly 14 days of sunlight followed by 14 days of darkness.

    “It’s just a very, very different concept” on the moon, Betts said. “And (NASA is) talking about landing astronauts in the very interesting south polar region (of the moon), where you have permanently lit and permanently shadowed areas. So, that’s a whole other set of confusion.”
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    “It’ll be challenging” for those astronauts, Betts added. “It’s so different than Earth, and it’s just a whole different mindset.”

    That will be true no matter what time is displayed on the astronauts’ watches.

    Still, precision timekeeping matters — not just for the sake of scientifically understanding the passage of time on the moon but also for setting up all the infrastructure necessary to carry out missions.

    The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

    And if scientists can get it right on the moon, she added, they can get it right later down the road if NASA fulfills its goal of sending astronauts deeper into the solar system.

    “We are very much looking at executing this on the moon, learning what we can learn,” Gramling said, “so that we are prepared to do the same thing on Mars or other future bodies.”

    Rispondi
  15. Lunar clockwork
    What scientists know for certain is that they need to get precision timekeeping instruments to the moon.
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    Exactly who pays for lunar clocks, which type of clocks will go, and where they’ll be positioned are all questions that remain up in the air, Gramling said.

    “We have to work all of this out,” she said. “I don’t think we know yet. I think it will be an amalgamation of several different things.”
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    Atomic clocks, Gramling noted, are great for long-term stability, and crystal oscillators have an advantage for short-term stability.
    “You never trust one clock,” Gramling added. “And you never trust two clocks.”

    Clocks of various types could be placed inside satellites that orbit the moon or perhaps at the precise locations on the lunar surface that astronauts will one day visit.

    As for price, an atomic clock worthy of space travel could cost around a few million dollars, according Gramling, with crystal oscillators coming in substantially cheaper.

    But, Patla said, you get what you pay for.

    “The very cheap oscillators may be off by milliseconds or even 10s of milliseconds,” he added. “And that is important because for navigation purposes — we need to have the clocks synchronized to 10s of nanoseconds.”

    A network of clocks on the moon could work in concert to inform the new lunar time scale, just as atomic clocks do for UTC on Earth.

    (There will not, Gramling added, be different time zones on the moon. “There have been conversations about creating different zones, with the answer: ‘No,’” she said. “But that could change in the future.”)

    Rispondi
  16. ‘A whole different mindset’
    Accurate clockwork is one matter. But how future astronauts living and working on the lunar surface will experience time is a different question entirely.
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    On Earth, our sense of one day is governed by the fact that the planet completes one rotation every 24 hours, giving most locations a consistent cycle of daylight and darkened nights. On the moon, however, the equator receives roughly 14 days of sunlight followed by 14 days of darkness.

    “It’s just a very, very different concept” on the moon, Betts said. “And (NASA is) talking about landing astronauts in the very interesting south polar region (of the moon), where you have permanently lit and permanently shadowed areas. So, that’s a whole other set of confusion.”
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    “It’ll be challenging” for those astronauts, Betts added. “It’s so different than Earth, and it’s just a whole different mindset.”

    That will be true no matter what time is displayed on the astronauts’ watches.

    Still, precision timekeeping matters — not just for the sake of scientifically understanding the passage of time on the moon but also for setting up all the infrastructure necessary to carry out missions.

    The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

    And if scientists can get it right on the moon, she added, they can get it right later down the road if NASA fulfills its goal of sending astronauts deeper into the solar system.

    “We are very much looking at executing this on the moon, learning what we can learn,” Gramling said, “so that we are prepared to do the same thing on Mars or other future bodies.”

    Rispondi
  17. A long time in the making
    Curiosity landed in Gale Crater on August 6, 2012. More than 12 years later, the rover has driven over 21 miles (34 kilometers) to ascend Mount Sharp, which is within the crater. The feature’s many layers preserve millions of years of geological history on Mars, showing how it shifted from a wet to a dry environment.
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    Perhaps one of the most valuable samples Curiosity has gathered on its mission to understand whether Mars was ever habitable was collected in May 2013.

    The rover drilled the Cumberland sample from an area within a crater called Yellowknife Bay, which resembled an ancient lake bed. The rocks from Yellowknife Bay so intrigued Curiosity’s science team that it had the rover drive in the opposite direction to collect samples from the area before heading to Mount Sharp.
    Since collecting the Cumberland sample, Curiosity has used SAM to study it in a variety of ways, revealing that Yellowknife Bay was once the site of an ancient lake where clay minerals formed in water. The mudstone created an environment that could concentrate and preserve organic molecules and trapped them inside the fine grains of the sedimentary rock.

    Freissinet helped lead a research team in 2015 that was able to identify organic molecules within the Cumberland sample.

    The instrument detected an abundance of sulfur, which can be used to preserve organic molecules; nitrates, which are essential for plant and animal health on Earth; and methane composed of a type of carbon associated with biological processes on Earth.

    “There is evidence that liquid water existed in Gale Crater for millions of years and probably much longer, which means there was enough time for life-forming chemistry to happen in these crater-lake environments on Mars,” said study coauthor Daniel Glavin, senior scientist for sample return at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, in a statement.

    Rispondi
  18. Iceberg flotillas
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    Located on the west coast, Ilulissat is a pretty halibut- and prawn-fishing port on a dark rock bay where visitors can sit in pubs sipping craft beers chill-filtered by 100,000-year-old glacial ice.

    It’s a place to be awed by the UNESCO World Heritage Icefjord where Manhattan skyscraper-sized icebergs disgorge from Greenland’s icecap to float like ghostly ships in the surrounding Disko Bay.

    Small boats take visitors out to sail closely among the bay’s magnificent iceberg flotilla. But not too close.

    “I was on my boat once and saw one of these icebergs split in two. The pieces fell backwards into the sea and created a giant wave,” said David Karlsen, skipper of the pleasure-boat, Katak. “…I didn’t hang around.”

    Disko Bay’s other giants are whales. From June to September breaching humpback whales join the likes of fin and minke whales feasting on plankton. Whale-watching is excellent all around Greenland’s craggy coastline.

    Whales are eaten here. Visitors shouldn’t be surprised to encounter the traditional Greenlandic delicacy of mattak — whale-skin and blubber that when tasted is akin to chewing on rubber. Inuit communities have quotas to not only hunt the likes of narwhals but also polar bears, musk-ox and caribou — which can also appear on menus.

    Rispondi
  19. Lunar clockwork
    What scientists know for certain is that they need to get precision timekeeping instruments to the moon.
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    Exactly who pays for lunar clocks, which type of clocks will go, and where they’ll be positioned are all questions that remain up in the air, Gramling said.

    “We have to work all of this out,” she said. “I don’t think we know yet. I think it will be an amalgamation of several different things.”
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    Atomic clocks, Gramling noted, are great for long-term stability, and crystal oscillators have an advantage for short-term stability.
    “You never trust one clock,” Gramling added. “And you never trust two clocks.”

    Clocks of various types could be placed inside satellites that orbit the moon or perhaps at the precise locations on the lunar surface that astronauts will one day visit.

    As for price, an atomic clock worthy of space travel could cost around a few million dollars, according Gramling, with crystal oscillators coming in substantially cheaper.

    But, Patla said, you get what you pay for.

    “The very cheap oscillators may be off by milliseconds or even 10s of milliseconds,” he added. “And that is important because for navigation purposes — we need to have the clocks synchronized to 10s of nanoseconds.”

    A network of clocks on the moon could work in concert to inform the new lunar time scale, just as atomic clocks do for UTC on Earth.

    (There will not, Gramling added, be different time zones on the moon. “There have been conversations about creating different zones, with the answer: ‘No,’” she said. “But that could change in the future.”)

    Rispondi
  20. Space, time: The continual question
    If time moves differently on the peaks of mountains than the shores of the ocean, you can imagine that things get even more bizarre the farther away from Earth you travel.
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    To add more complication: Time also passes slower the faster a person or spacecraft is moving, according to Einstein’s theory of special relativity.

    Astronauts on the International Space Station, for example, are lucky, said Dr. Bijunath Patla, a theoretical physicist with the US National Institute of Standards and Technology, in a phone interview. Though the space station orbits about 200 miles (322 kilometers) above Earth’s surface, it also travels at high speeds — looping the planet 16 times per day — so the effects of relativity somewhat cancel each other out, Patla said. For that reason, astronauts on the orbiting laboratory can easily use Earth time to stay on schedule.
    https://kra30c.cc
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    For other missions — it’s not so simple.

    Fortunately, scientists already have decades of experience contending with the complexities.

    Spacecraft, for example, are equipped with their own clocks called oscillators, Gramling said.

    “They maintain their own time,” Gramling said. “And most of our operations for spacecraft — even spacecraft that are all the way out at Pluto, or the Kuiper Belt, like New Horizons — (rely on) ground stations that are back on Earth. So everything they’re doing has to correlate with UTC.”
    But those spacecraft also rely on their own kept time, Gramling said. Vehicles exploring deep into the solar system, for example, have to know — based on their own time scale — when they are approaching a planet in case the spacecraft needs to use that planetary body for navigational purposes, she added.

    For 50 years, scientists have also been able to observe atomic clocks that are tucked aboard GPS satellites, which orbit Earth about 12,550 miles (20,200 kilometers) away — or about one-nineteenth the distance between our planet and the moon.

    Studying those clocks has given scientists a great starting point to begin extrapolating further as they set out to establish a new time scale for the moon, Patla said.

    “We can easily compare (GPS) clocks to clocks on the ground,” Patla said, adding that scientists have found a way to gently slow GPS clocks down, making them tick more in-line with Earth-bound clocks. “Obviously, it’s not as easy as it sounds, but it’s easier than making a mess.”

    Rispondi
  21. ‘A whole different mindset’
    Accurate clockwork is one matter. But how future astronauts living and working on the lunar surface will experience time is a different question entirely.
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    On Earth, our sense of one day is governed by the fact that the planet completes one rotation every 24 hours, giving most locations a consistent cycle of daylight and darkened nights. On the moon, however, the equator receives roughly 14 days of sunlight followed by 14 days of darkness.

    “It’s just a very, very different concept” on the moon, Betts said. “And (NASA is) talking about landing astronauts in the very interesting south polar region (of the moon), where you have permanently lit and permanently shadowed areas. So, that’s a whole other set of confusion.”
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    “It’ll be challenging” for those astronauts, Betts added. “It’s so different than Earth, and it’s just a whole different mindset.”

    That will be true no matter what time is displayed on the astronauts’ watches.

    Still, precision timekeeping matters — not just for the sake of scientifically understanding the passage of time on the moon but also for setting up all the infrastructure necessary to carry out missions.

    The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

    And if scientists can get it right on the moon, she added, they can get it right later down the road if NASA fulfills its goal of sending astronauts deeper into the solar system.

    “We are very much looking at executing this on the moon, learning what we can learn,” Gramling said, “so that we are prepared to do the same thing on Mars or other future bodies.”

    Rispondi
  22. Curiosity has maintained pristine pieces of the Cumberland sample in a “doggy bag” so that the team could have the rover revisit it later, even miles away from the site where it was collected. The team developed and tested innovative methods in its lab on Earth before sending messages to the rover to try experiments on the sample.
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    In a quest to see whether amino acids, the building blocks of proteins, existed in the sample, the team instructed the rover to heat up the sample twice within SAM’s oven. When it measured the mass of the molecules released during heating, there weren’t any amino acids, but they found something entirely unexpected.

    An intriguing detection
    The team was surprised to detect small amounts of decane, undecane and dodecane, so it had to conduct a reverse experiment on Earth to determine whether these organic compounds were the remnants of the fatty acids undecanoic acid, dodecanoic acid and tridecanoic acid, respectively.

    The scientists mixed undecanoic acid into a clay similar to what exists on Mars and heated it up in a way that mimicked conditions within SAM’s oven. The undecanoic acid released decane, just like what Curiosity detected.

    Each fatty acid remnant detected by Curiosity was made with a long chain of 11 to 13 carbon atoms. Previous molecules detected on Mars were smaller, meaning their atomic weight was less than the molecules found in the new study, and simpler.
    “It’s notable that non-biological processes typically make shorter fatty acids, with less than 12 carbons,” said study coauthor Dr. Amy Williams, associate professor of geology at the University of Florida and assistant director of the Astraeus Space Institute, in an email. “Larger and more complex molecules are likely what are required for an origin of life, if it ever occurred on Mars.”

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  23. Arctic auroras
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    For getting around during winter, the Inuit here nowadays prefer snowmobiles, although they still keep their sled dogs. During winter they’ll offer intrepid visitors, wrapped up warm against the deep-freeze temperatures, dog-sledding jaunts. These can last either an hour or be part of expeditions over several days, sometimes with the added experience of learning how to build an igloo. Sisimiut on the west coast and Tasilaq in the southeast are active winter centers for dog sledding.

    Winter’s most stellar attraction, though, is northern lights watching. With little urban light pollution, Greenland is a dark canvas for spectacular displays, and aurora borealis-watching vacations are becoming more popular.

    Staying outdoors, Greenland is developing a reputation among adventure enthusiasts: from long-distance skiing expeditions and heliskiing on the icecap to hiking the 100-mile-long Arctic Circle Trail from Kangerslussuaq, where firearms need to be carried for warning shots in case of polar bear encounters.

    Life is definitely changing here. The climate crisis is eating away at its icecap and Greenland may well end up as a pawn in a game of geopolitical chess. But for now, the bright glare of international attention should shine a favorable light on one of the wildest travel destinations on Earth.

    Travel writer Mark Stratton is an Arctic specialist who has traveled to Greenland six times and counting. He’s marveled at the aurora borealis, sailed to Disko Island, dog-sledded with the Inuit, and once got stuck in an icefloe.

    Rispondi
  24. Lunar clockwork
    What scientists know for certain is that they need to get precision timekeeping instruments to the moon.
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    Exactly who pays for lunar clocks, which type of clocks will go, and where they’ll be positioned are all questions that remain up in the air, Gramling said.

    “We have to work all of this out,” she said. “I don’t think we know yet. I think it will be an amalgamation of several different things.”
    https://kra30c.cc
    Кракен даркнет
    Atomic clocks, Gramling noted, are great for long-term stability, and crystal oscillators have an advantage for short-term stability.
    “You never trust one clock,” Gramling added. “And you never trust two clocks.”

    Clocks of various types could be placed inside satellites that orbit the moon or perhaps at the precise locations on the lunar surface that astronauts will one day visit.

    As for price, an atomic clock worthy of space travel could cost around a few million dollars, according Gramling, with crystal oscillators coming in substantially cheaper.

    But, Patla said, you get what you pay for.

    “The very cheap oscillators may be off by milliseconds or even 10s of milliseconds,” he added. “And that is important because for navigation purposes — we need to have the clocks synchronized to 10s of nanoseconds.”

    A network of clocks on the moon could work in concert to inform the new lunar time scale, just as atomic clocks do for UTC on Earth.

    (There will not, Gramling added, be different time zones on the moon. “There have been conversations about creating different zones, with the answer: ‘No,’” she said. “But that could change in the future.”)

    Rispondi
  25. While the Cumberland sample may contain longer chains of fatty acids, SAM is not designed to detect them. But SAM’s ability to spot these larger molecules suggests it could detect similar chemical signatures of past life on Mars if they’re present, Williams said.
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    “Curiosity is not a life detection mission,” Freissinet said. “Curiosity is a habitability detection mission to know if all the conditions were right … for life to evolve. Having these results, it’s really at the edge of the capabilities of Curiosity, and it’s even maybe better than what we had expected from this mission.”

    Before sending missions to Mars, scientists didn’t think organic molecules would be found on the red planet because of the intensity of radiation Mars has long endured, Glavin said.
    Curiosity won’t return to Yellowknife Bay during its mission, but there are still pristine pieces of the Cumberland sample aboard. Next, the team wants to design a new experiment to see what it can detect. If the team can identify similar long-chain molecules, it would mark another step forward that might help researchers determine their origins, Freissinet said.

    “That’s the most precious sample we have on board … waiting for us to run the perfect experiment on it,” she said. “It holds secrets, and we need to decipher the secrets.”

    Briony Horgan, coinvestigator on the Perseverance rover mission and professor of planetary science at Purdue University in West Lafayette, Indiana, called the detection “a big win for the whole team.” Horgan was not involved the study.
    “This detection really confirms our hopes that sediments laid down in ancient watery environments on Mars could preserve a treasure trove of organic molecules that can tell us about everything from prebiotic processes and pathways for the origin of life, to potential biosignatures from ancient organisms,” Horgan said.

    Dr. Ben K.D. Pearce, assistant professor in Purdue’s department of Earth, atmospheric, and planetary sciences and leader of the Laboratory for Origins and Astrobiology Research, called the findings “arguably the most exciting organic detection to date on Mars.” Pearce did not participate in the research.

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  26. Tesla is bringing its electric cars to oil-rich Saudi Arabia amid falling global sales
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    Tesla will start selling its electric vehicles in Saudi Arabia, entering the Gulf region’s largest economy as the company’s global sales are sliding and CEO Elon Musk courts controversy with his role in the US government.

    The carmaker announced Wednesday that it would host a launch event in the kingdom on April 10, where it will showcase its EVs. Attendees will also have the chance to “experience the future of autonomous driving with Cybercab and meet Optimus, our humanoid robot, as we showcase what’s next in AI and robotics,” Tesla (TSLA) said.

    Tesla may struggle to gain market share in oil-rich Saudi Arabia as EVs make up a little over 1% of all car sales in the country, according to a report by consultancy PwC published in September.
    Tesla’s entry into the new market comes as the company fights battles on several fronts.

    Last year, it recorded the first annual decline in sales in its history as a public company, posting a drop of 1%.

    The company is facing intensifying competition in China, the world’s largest auto market. On Tuesday, BYD, a Chinese maker of electric and hybrid cars, reported $107 billion in annual sales for 2024, beating the near-$98 billion notched by Tesla.

    And last week, BYD unveiled an ultra-fast charging system, which it said was capable of adding 250 miles (402 km) of range in just five minutes, easily outdoing Tesla’s charging technology. Tesla’s Superchargers take 15 minutes to charge an EV, providing a range of 200 miles.

    Tesla has also suffered slumping sales in Europe. In February, the carmaker sold around 40% fewer vehicles on the continent compared with the same month in 2024, according to the European Automobile Manufacturers’ Association.

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