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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.
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“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.”
‘Dyson spheres’ were theorized as a way to detect alien life. Scientists say they’ve found potential evidence
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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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кракен ссылка
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.”
One absolutely unique crypto mixing service is Bitcoin Mixer because it is based on the totally different principle comparing to other services. A user does not just deposit coins to mix, but creates a wallet and funds it with chips from 0.01 BTC to 8.192 BTC which a user can break down according to their wishes. After chips are included in the wallet, a wallet holder can deposit coins to process. As the chips are sent to the mixing service beforehand, next transactions are nowhere to be found and there is no opportunity to connect them with the wallet owner. There is no usual fee for transactions on this mixing service: it uses “Pay what you like” feature. It means that the fee is randomized making transactions even more incognito and the service itself more affordable. Retention period is 7 days and every user has a chance to manually clear all logs prior to this period. Yomix : It offers flexible transaction fees and a low minimum transaction limit Mixero : Excellent customer support Coin Mixer : Fast payouts Bitcoin Laundry : Uses stealth pools to anonymize transactions Coinmize : Zero-log policy 1. Yomix - It offers flexible transaction fees and a low minimum transaction limitAnother coin scrambler Mixtum offers you a so-called free trial period what means that there are no service or transaction fee charged. The process of getting renewed coins is also quite unique, as the tumbler requires a request to be sent over Tor or Clearnet and renewed coins are acquired from stock exchanges.Yomix has a simple interface, it is easy to use and simple. Time-delay option can be set up to 24 hours. With regard to the fee, there is an additional fee of 0.0005 % per output address. As one of the few, this cryptocurrency tumbler provides a user with a special mixing code which guarantees that fresh crypto coins are not blended with previous deposits. Additional URL Blender is also here to guarantee that users can get to the tumbler, even if the main link is not working.Two cryptocurrencies are also supported on Yomix mixing service. This scrambler is listed because it works quickly and it is reliable. The transaction fee is really low, only the amount of 0.0001 BTC needs to be sent for every extra address. Splitting deposited coins between 5 addresses is also extremely helpful for keeping user’s anonymity. Every user is able to choose an additional option of delaying the payment meaning that the transaction is becoming even more anonymous.Another trustworthy mixer is Yomix which supports two cryptocurrencies with Ethereum to be added soon. The mixing process is quite typical and similar to the processes on other tumblers. It is possible to set a time-delay option up to 72 hours and a sender has an opportunity to split the transaction, so the funds are sent to several addresses. Thus, sender’s funds are more secured and untraceable. Pros: Doesn’t require registrationExcellent customer support 2. Mixero - Excellent customer support Mixero is one of the most pocket-friendly, easy to use and customizable Bitcoin laundry platforms in the industry. The user-interface is extremely simple and clean, anyone who has never before used any such service too can navigate around and tumble Bitcoins easily. No registration is required to mix Bitcoins on Blender.io Its “delay” feature lets you set delays from 1-24 hours which increases your anonymity by providing a gap between the deposited coins and the outgoing ones. As for the fee, it’s dynamic, meaning you get to choose the amount of fee you’d like to pay, the minimum fee being 0.5% and the maximum being 2.5% with an additional 0.0005%/address. It’s also one of the rare platforms which provides you with a mixing code which makes sure your previous coins do not get mixed with your newer deposits if you do multiple deposits to the tumbler. The minimum amount you can mix is 0.001BTC while there’s no specific maximum amount as their Bitcoin reserve seems to be quite large. It also has a No Logs Policy and all data is instantly deleted as soon as a transaction is complete; and as for the number of confirmations required it’s 3 for your deposit to be mixed by Mixero It supports 8 addresses for each mix so you can further increase your anonymity. In a nutshell, it gives you the power to choose, is fast, anonymous and totally worth a try. It also supports Segwit and bech32 Addresses, with some terms attached. For e.g. only witness version bech32 addresses are supported. Similarly, only the addresses starting with the number “3” are supported.Mixero is a simple service that will increase your privacy while using Ethereum and making Ether transactions. Every single person have its right for a personal privacy even when transacting, trading or donating Ether. Due to ethereum blockchain features you are not completely anonymous while using ETH and here comes Ethereum Mixing Service to help you cut all ties between your old and fresh mixed ETH coins. Using Mixero mixer makes almost impossible to trace your new Ethereum Address..Mixero will be reliable and easy to use. It has been around for several years and is probably considered one of the most popular mixers on the darknet. Mixero charges a commission randomly in 1-3%, and also provides sending coins to 10 different addresses for increased anonymity. Due to randomization, withdrawal amounts turn out to be unpredictable, which again increases anonymity. BitBlender requires you to create an account to use the full suite of tools, but if you don’t want to register, this mixer offers a “quick blend” mode. When using the Quick Mix feature, you will be sent a code that identifies each individual operation to ensure that you do not receive any previously sent coins back. BitBlender provides two additional features. Auto-Withdrawal and Quick-Withdraw. Auto-Withdrawal will dramatically decrease your runtime if you have to constantly clean your coins. Quick Mix comes in handy for the casual user who doesn’t want to register.Mixero is a Bitcoin mixing service that provides privacy by using the ‘Bitcoin Mixer 2.0’ algorithm to shuffle bitcoins. Unlike other similar tumbling services that mix your coins with the coins of other users, this platform mixes your crypto with the crypto bought by them directly from the cryptocurrency stock exchanges. Mixero verifies the newly purchased coins with a scoring system with the help of innovative algorithms and outfoxes such technologies as blockchain volume analysis, cluster analysis, taint analysis, etc. It means that you will receive your BTC back split into random parts, and even at the different addresses if needed. Consequently, your privacy is protected as there is no connection to you. And it takes up to 6 hours to complete your request. Another privacy feature of this mixer service is that it does not require registration and it does not store logs. All the transactions are digitally signed with letters of guarantee that you can check on the website at any moment. They also provide 24/7 technical support. MixTum.io will charge you a 5% Fee from your transaction as well as a network fee of 0.00015 BTC. The platform provides two versions – for Clearnet and Tor browsers. Pros: Available in Tor It has a positive reputation among the Bitcoin community 3. Coin Mixer - Fast payouts Supporting multiple types of cryptocurrency, Coin Mixer is one of the most flexible Bitcoin tumblers available today. Besides requiring a minimum deposit, service fees are charged, and users are required to register to use this site. Referral programs are also on offer along with support for multiple recipient addresses (max 10).Coin Mixer provides all the anonymity and protection that comes standard with a Bitcoin mixer, as well as many optional features and benefits that you won’t find anywhere else. If you use a new address for withdrawal, the coins you receive back are completely separated from your previous history on the blockchain, so it is almost impossible to link the transaction history with your personality. SmartMix commission is only 0.5% of the deposit amount plus 0.0001 BTC / 0.00005 BCH for each exit address. 5 output addresses can be set. The privacy policy makes it possible to delete all mixing information as soon as it is completed. The resource provides fast and reliable mixing of bitcoins through a simple and attractive user interface. Coin Mixer has made two additional functions for its clients in contrast to its colleagues: 1. Affiliate program. Share your anonymous referral link and earn cryptocurrency bonuses. For each mixing operation performed on your link, you receive 50% of the service fee. 2. Loyalty reward program. Use your anonymous SmartClub code with every mixing operation to receive service charge discounts. The more you mix, the more you save.Coin Mixer is a very impressive service if you want to maintain your anonymity when you make purchases online. It can also be useful if you want to do p2p payments and donations. The service is used to mix a person’s funds and give this person some fresh bitcoins. The focus here is on making sure that the blender has the ability to confuse the trail as somebody could try to figure out the source. The best mixer is that one that keeps your anonymity at a max. You want each bitcoin transaction to be very hard to trace. This is where using our bitcoin mixing service makes a lot of sense. Protect your income and personal information becomes much easier. The reason why you want to use our service is because you want to hide your coins from hackers and third-parties. They can do a blockchain analysis, they may be able to track your personal data to steal your bitcoins. With our bitcoin tumbler, you don’t have to worry about that anymore.How it works: unlike other mixers, this site cleans coins with bitcoins purchased by them on cryptocurrency exchanges. Coin Mixer io examines purchased coins using a scoring system with innovative algorithms and the use of technologies such as blockchain volume analysis, cluster analysis, pollution analysis, etc. After that, you will receive your BTC back, divided into random parts, and even sent in different addresses, if necessary. The whole process takes about 6 hours. The mixer does not require registration and does not store any logs. After each mixing operation, a letter of guarantee is sent, and information about it is eliminated after 24 hours, ensuring complete anonymity. The service also provides round-the-clock technical support. MixTum io charges a flat fee of 5% of the transaction, as well as a network fee of 0.00015 BTC. The program has two versions – for regular browsers and Tor. Pros: Extensive FAQ section Excellent customer support 4. Bitcoin Laundry - Uses stealth pools to anonymize transactions Another solid Bitcoin Tumbler option, Bitcoin Laundry requires a minimum deposit of 0.01 BTC to be made but makes up for this with a lower transaction fee of 2% coupled with a 0.0004 BTC network fee. Support for multiple addresses and customer options is provided with users required to provide confirmation for only 1 address. While there is no referral program available, Bitcoin Laundry does offer users with a letter of guarantee for their peace of mind.Bitcoin Laundry is a coin cleaning service that can hide your footprints in the cryptocurrency world. Currently, Bitcoin Laundry has a minimum withdrawal threshold of 0.03500000 BTC, so users are advised to transfer more than the entry threshold plus commission, otherwise they will not be able to withdraw funds. The client is given 5 exit addresses to be set. If for some reason, even after a delay of two hours, the user’s balance does not update, then the client can contact the support service to take action. For users who have been inactive for several days, it can take up to 15 minutes after logging in before you see outstanding deposits. The logs are kept for 7 days after which they are automatically deleted. The platform runs on a dedicated server that is openly connected via the Internet (you don’t need to do this when using the Tor browser). The Bitcoin mixer runs on a different machine, all suspicious activity is monitored and the website is automatically blocked on any signal that it is under intrusion.Being honest, this isn’t the most feature-rich or control-rich Bitcoin Laundry mixer that’s available out there. However, it still averages mixes over 700Bitcoin/day (claimed, not verified). The coins are claimed to be sourced from mining pools in the U.S, China and Europe. Obviously they do not keep any logs. Unfortunately, only 1 output address is allowed which is a bit of a downer. The time-delay can fully be set manually. It can be as low as 0 hours, or as high as 48 hours. Any other delay between this frame can be set using the provided slider. The fee isn’t randomized, neither is it user-controlled. It’s set at a solid 0.1% for all transactions. Accepts a minimum Bitcoin deposit of 0.010BTC. Maximum funds which can be currently mixed stand at 677 BTC. Number of required confirmations depend on the amount. Only 1 is required for mixes below 2.5BTC. For 25 BTC it needs 3 confirmations. 4 confirmations for 40BTC and 5 confirmations for 50 BTC are required respectively. Doesn’t require registrations.Mixing Bitcoins is made simpler with Bitcoin Laundry. A mixer available both on the Clearnet and the Tor network. Offers complete control over the time-delays and fund-distribution. Charges a static fee of 0.3%. Maximum number of output addresses allowed is 10. Each address is charged an additional 0.0001BTC. Largest possible mix is 100 BTC, while smallest accepted deposit is 0.002 BTC. No registration required. Has a No Logs Policy, retains logs for 7-days by default. Although users can delete logs anytime before the 7-day period manually. Does provide Certificate of Origin. Also has an “Instant Dispatch” feature of delivering coins without any delay. Pros: Has impressive time delaysProvides user-controlled time delays 5. Coinmize - Zero-log policy Coinmize works by removing the link between your old and current addresses. Since the mixer destroys any connection between them, your traces of transactions and your identity become untraceable. The main advantage is the low commission. Bitcoin Laundry is a donation platform. They charge no service fees, only a transaction fee of 0.0002 BTC to the exit address, while transactions from 0.0005 to 38 BTC are supported. You can set 5 addresses and specify what percentage of the total amount will be returned to each address. You can select predefined or random payment delays for each address, making it even more difficult to track the transaction. Bitcoin Laundry boasts a “no log” retention period policy and also allows users to manually delete logs with just one click if they wish.Coinmize offers a good number of features and has a no logs policy. To get started, you’ll need to deposit a minimum of 0.0015 BTC with no transaction fees charged. As an added plus, Coinmize supports multiple addresses with a maximum of 5. You won’t have to register to use this service – which is great for those who prize their privacy. However, the site does not offer a referral program.This is by far the most unique Coinmize I’ve ever encountered till date; that’s so pertaining to its “Time-travel” feature! (Whoa!) Basically instead of operating on the traditional receive unclean coins > send clean coins process, it instead uses a create wallet > fund it with chips beforehand > receive unclean coins > grant access to the pre-funded wallet process! This lets users spend the clean coins even before the unclean coins were sent to the mixer (because the wallet was pre-funded) and that’s the reason I termed it the time-travel mixer. Also it funds the wallets with “chips” which are not the same thing as Bitcoins, they’re basically the private keys which can be exported to your Bitcoin wallets to fund your wallets with the amount the chips were worth. It also lets users bet their Chips which has a chance of doubling the worth of their chips, other advanced features include merging which lets users combine two big chips into one single chip, or splitting which divides one big chip into two smaller chips. Its fee structure too is an unique- “Pay what you like” feature, which not only adds to user anonymity by randomizing the fee but also makes the service more affordable and customizable. Because users completely control when or how much funds they wish to withdraw, it translates into 100% user control on time-delays and distribution control. No logs are kept after a 7-day retention period; or there also is an option to manually scrub all logs whenever you wish prior to this 7-day period. The minimum deposit limit on the platform is 0.0001BTC.Coinmize is a very impressive service if you want to maintain your anonymity when you make purchases online. It can also be useful if you want to do p2p payments and donations. The service is used to mix a person’s funds and give this person some fresh bitcoins. The focus here is on making sure that the blender has the ability to confuse the trail as somebody could try to figure out the source. The best mixer is that one that keeps your anonymity at a max. You want each bitcoin transaction to be very hard to trace. This is where using our bitcoin mixing service makes a lot of sense. Protect your income and personal information becomes much easier. The reason why you want to use our service is because you want to hide your coins from hackers and third-parties. They can do a blockchain analysis, they may be able to track your personal data to steal your bitcoins. With our bitcoin tumbler, you don’t have to worry about that anymore. Pros: Provides user-controlled time delays User-controlled time delays
‘Dyson spheres’ were theorized as a way to detect alien life. Scientists say they’ve found potential evidence
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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.”
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.
https://kra30att.cc
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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.”
‘Dyson spheres’ were theorized as a way to detect alien life. Scientists say they’ve found potential evidence
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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
https://kra31s.cc
кракен ссылка
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.”
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‘Dyson spheres’ were theorized as a way to detect alien life. Scientists say they’ve found potential evidence
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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
https://kra31s.cc
kraken тор
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.”
Why axolotls seem to be everywhere — except in the one lake they call home
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Scientist Dr. Randal Voss gets the occasional reminder that he’s working with a kind of superstar. When he does outreach events with his laboratory, he encounters people who are keen to meet his research subjects: aquatic salamanders called axolotls.
The amphibians’ fans tell Voss that they know the animals from the internet, or from caricatures or stuffed animals, exclaiming, “‘They’re so adorable, we love them,’” said Voss, a professor of neuroscience at the University of Kentucky College of Medicine. “People are drawn to them.”
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Take one look at an axolotl, and it’s easy to see why it’s so popular. With their wide eyes, upturned mouths and pastel pink coloring, axolotls look cheerful and vaguely Muppet-like.
They’ve skyrocketed in pop culture fame, in part thanks to the addition of axolotls to the video game Minecraft in 2021. These unusual salamanders are now found everywhere from Girl Scout patches to hot water bottles. But there’s more to axolotls than meets the eye: Their story is one of scientific discovery, exploitation of the natural world, and the work to rebuild humans’ connection with nature.
A scientific mystery
Axolotl is a word from Nahuatl, the Indigenous Mexican language spoken by the Aztecs and an estimated 1.5 million people today. The animals are named for the Aztec god Xolotl, who was said to transform into a salamander. The original Nahuatl pronunciation is “AH-show-LOAT”; in English, “ACK-suh-LAHT-uhl” is commonly used.
Axolotls are members of a class of animals called amphibians, which also includes frogs. Amphibians lay their jelly-like eggs in water, and the eggs hatch into water-dwelling larval states. (In frogs, these larvae are called tadpoles.)
Most amphibians, once they reach adulthood, are able to move to land. Since they breathe, in part, by absorbing oxygen through their moist skin, they tend to stay near water.
Axolotls, however, never complete the metamorphosis to a land-dwelling adult form and spend their whole lives in the water.
“They maintain their juvenile look throughout the course of their life,” Voss said. “They’re teenagers, at least in appearance, until they die.”
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.
kra at
“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.
https://kra30att.cc
kra at
“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.”
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