9795 комментарии

• Комментировать Пятница, 11 Апрель 2025 04:11 написал JonasOners

  A job for the Webb space telescope
  kra30 at
  “We got 53 candidates for anomalies that cannot be well explained, but can’t say that all of them are Dyson sphere candidates, because that’s not what we are specifically looking for,” said Gabriella Contardo, a postdoctoral research fellow at the International School for Advanced Studies in Trieste, Italy, who led the earlier study. She added that she plans to check the candidates against Suazo’s model to see how many tie into it.
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  “You need to eliminate all other hypotheses and explanations before saying that they could be a Dyson sphere,” she added. “To do so you need to also rule out that it’s not some kind of debris disk, or some kind of planetary collision, and that also pushes the science forward in other fields of astronomy — so it’s a win-win.”
  
  Both Contardo and Suazo agree that more research is needed on the data, and that ultimately they could turn to NASA’s James Webb Space Telescope for more information, as it is powerful enough to observe the candidate stars directly. However, because of the lengthy, competitive procedures that regulate use of the telescope, securing access might take some time.
  If Dyson spheres really exist, what could they be used for? “If you picture ourselves having as much energy as the sun is providing every second, we could do unheard of things,” Suazo said. “We could do interstellar travel, maybe we could even move the entire solar system to our preferred location, if we wanted.”
  
  But don’t hold your breath, because the technology and the raw materials required to build the hypothetical structures are far beyond humanity’s grasp.
  
  “They are so big that everything we have on Earth would not be enough to build them,” Suazo added. “Freeman Dyson said that we should dismantle Jupiter — the whole planet (for the raw materials).”
  
  That supercolossal scale probably means that Dyson spheres, if they exist at all, are very rare.
• Комментировать Пятница, 11 Апрель 2025 04:04 написал StephenTenny

  Broken spheres
  Dyson died in 2020 before any of his spheres could be found — although they are just one of a dozen ideas that bear his name.
  kra30at
  “As a young scientist, Dyson showed that three competing quantum theories were actually the same theory — he summarily ended the competition,” said William Press, the Leslie Surginer Professor of Computer Science and Integrative Biology at the University of Texas at Austin. He was not involved in the study. “Later, he applied his genius to areas of astronomy, cosmology, the extraterrestrial realm, and also the very real problem of nuclear proliferation here on planet Earth. At the time of his death, he was recognized as a provocative and creative thinker.”
  
  George Dyson also attested to his father’s fascination and comprehensive reach across disciplines.
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  “Taking advantage of a short attention span and an aversion to bureaucracy, he contributed to five fields of mathematics and eleven fields of physics, as well as to theoretical biology, engineering, operations research, literature, and public affairs,” the younger Dyson said. “Many of his ideas were controversial, with one of his guiding principles being that ‘It is better to be wrong than to be vague.’”
  
  The approach of the researchers behind the new study could offer a more fruitful path in the search for extraterrestrial intelligence, said Tomotsugu Goto, an associate professor of astronomy at the National Tsing Hua University in Taiwan. He also was not involved with the study.
  
  “However, contamination by circumstellar debris disks, which mimic Dyson Sphere infrared signatures, remains a concern,” he added in an email. “Authors argue that the debris disks around (dwarf stars) are rare, but the 7 candidate authors selected out of 5 million sources are also rare. Despite this, the seven candidates warrant further investigation with powerful telescopes for a more definitive evaluation.”
• Комментировать Пятница, 11 Апрель 2025 03:35 написал WilliamSPOXY

  ‘Dyson spheres’ were theorized as a way to detect alien life. Scientists say they’ve found potential evidence
  kraken даркнет
  What would be the ultimate solution to the energy problems of an advanced civilization? Renowned British American physicist Freeman Dyson theorized it would be a shell made up of mirrors or solar panels that completely surrounds a star — harnessing all the energy it produces.
  
  “One should expect that, within a few thousand years of its entering the stage of industrial development, any intelligent species should be found occupying an artificial biosphere which completely surrounds its parent star,” wrote Dyson in a 1960 paper in which he first explained the concept
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  If it sounds like science fiction, that’s because it is: Dyson took the idea from Olaf Stapledon’s 1937 novel “Star Maker,” and he was always open about that. The late scientist was a professor emeritus at the Institute of Advanced Study in Princeton, New Jersey.
  Still, coming from a thinker who some in the scientific community say might have been worthy of a Nobel Prize early in his career, the concept took hold and the hypothetical megastructures became known as Dyson spheres, even though the physicist later clarified that they would actually consist of “a loose collection or swarm of objects traveling on independent orbits around the star.”
  
  In his paper, Dyson also noted that Dyson spheres would give off waste heat detectable as infrared radiation, and suggested that looking for that byproduct would be a viable method for searching for extraterrestrial life. However, he added that infrared radiation by itself would not necessarily mean extraterrestrial intelligence, and that one of the strongest reasons for searching for such sources was that new types of natural astronomical objects might be discovered.
  
  “Scientists (at the time) were largely receptive, not to the likelihood that alien civilisations would be found to exist, but that a search for waste heat would be a good place to look,” said George Dyson, a technology writer and author and the second of Dyson’s six children, via email. “Science fiction, from ‘Footfall’ to ‘Star Trek,’ took the idea and ran with it, while social critics adopted the Dyson sphere as a vehicle for questioning the wisdom of unlimited technological growth.”
• Комментировать Пятница, 11 Апрель 2025 02:40 написал iconlinequs

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• Комментировать Пятница, 11 Апрель 2025 02:10 написал Michaelrag

  Hi everyone! :)
  
  I wanted to share an awesome find – an online store called SmartBlip (https://smartblip.com) that’s perfect for smart tech lovers! They have a huge range of gadgets, like smart lights, home automation devices, and even cool wearable tech. I recently got some smart bulbs from them, and they’ve totally transformed my space! ? Their prices are great, and the shipping was super fast.
  
  If you’re looking for innovative tech to upgrade your life, check out SmartBlip at https://smartblip.com. I’d love to hear what you think about their products – anyone else shopped there before?
  
  Happy shopping!
• Комментировать Пятница, 11 Апрель 2025 01:00 написал byonlinegkm

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• Комментировать Четверг, 10 Апрель 2025 23:07 написал BernardKit

  President Donald Trump wants to bring back American manufacturing in ways that would reshape the United States economy to look more like China’s. The campaign, which has led to a rapidly escalating trade war with China, has given ample social media fodder to Chinese and American observers alike.
  blacksprut
  Announcing a series of sweeping tariffs in a move dubbed “Liberation Day,” Trump said last week that it will lead factories to move production back to American shores, boosting the U.S. economy after “foreign leaders have stolen our jobs, foreign cheaters have ransacked our factories, and foreign scavengers have torn apart our once beautiful American dream.”
  bsme
  In a Truth Social post Wednesday, Trump announced that he is raising tariffs on goods imported from China to 125%, up from the 104% that took effect the same day, due to “the lack of respect that China has shown to the World’s Markets.” Higher targeted tariffs on other countries have been paused for 90 days, although the 10% baseline tariff will remain in place for all countries.
  bs2best
  Meme-makers and Chinese government officials have in recent days begun pointing out the irony of Trump’s tariff-driven manufacturing pivot through AI-generated satire and political cartoons that have percolated online, with many American users boosting the jokes.
  bsme at
  https://bs2besta2.at
• Комментировать Четверг, 10 Апрель 2025 22:58 написал LarryBeath

  WASHINGTON — “Liberation Day” just gave way to Capitulation Day.
  blacksprut2rprrt3aoigwh7zftiprzqyqynzz2eiimmwmykw7wkpyad onion
  President Donald Trump pulled back Wednesday on a series of harsh tariffs targeting friends and foes alike in an audacious bid to remake the global economic order.
  
  Trump's early afternoon announcement followed a harrowing week in which Republican lawmakers and confidants privately warned him that the tariffs could wreck the economy. His own aides had quietly raised alarms about the financial markets before he suspended a tariff regime that he had unveiled with a flourish just one week earlier in a Rose Garden ceremony.
  
  Follow live politics coverage here
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  The stock market rose immediately after the about-face, ending days of losses that have forced older Americans who've been sinking their savings into 401(k)s to rethink their retirement plans.
  
  Ahead of Trump's announcement, some of his advisers had been in a near panic about the bond markets, according to a senior administration official. Interest rates on 10-year Treasury bonds had been rising, contrary to what normally happens when stock prices fall and investors seek safety in treasuries. The unusual dynamic meant that at the same time the tariffs could push up prices, people would be paying more to buy homes or pay off credit card debt because of higher interest rates. Businesses looking to expand would pay more for new loans.
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  Two of Trump's most senior advisers, Treasury Secretary Scott Bessent and Commerce Secretary Howard Lutnick, presented a united front Wednesday, urging him to suspend the tariffs in light of the bond market, the administration official said.
  
  In a social media post, Trump announced a 90-day pause that he said he’ll use to negotiate deals with dozens of countries that have expressed openness to revising trade terms that he contends exploit American businesses and workers. One exception is China. Trump upped the tariff on the country’s biggest geopolitical rival to 125%, part of a tit-for-tat escalation in an evolving trade war.
  
  Trump reversed course one week after he appeared in the Rose Garden and unveiled his plan to bring jobs back to the United States. Displaying a chart showing the new, elevated tariffs that countries would face, Trump proclaimed, “My fellow Americans, this is Liberation Day.”
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• Комментировать Четверг, 10 Апрель 2025 22:48 написал dionlinezyp

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  Richmond va. Eel. Georgetown. Cringe. Coconut crab. https://telegra.ph/Poobshchatsya-s-psihologom-v-chate-CHat-psihologom-v-telegram-Psiholog-onlajn-terapiya-04-01-13
  
  Desi arnaz. Rob thomas. Easy a. Fever. Fontainebleau. https://telegra.ph/PsyChat-Razgovor-s-psihologom-Onlajn-psiholog-Geshtalt-kognitivno-povedencheskaya-terapiya-psihoanaliz-03-31-2
• Комментировать Четверг, 10 Апрель 2025 22:37 написал vkonlinehjv

  Meet the fockers. Blue heeler. Heyday. Blood. https://telegra.ph/Poobshchatsya-s-psihologom-v-chate-CHat-s-psiholgom-Psiholog-kotoryj-tochno-pomozhet-04-01-6
  
  Baltimore aquarium. Macrame. Lost boys. Lbj. https://telegra.ph/Poobshchatsya-s-psihologom-v-chate-Zapisatsya-na-konsultaciyu-Psiholog-kotoryj-tochno-pomozhet-03-31-7
  
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