Astronauts dropped a toolbag in space which you can see with just binoculars
Whilst repairing external parts of the International Space Station (ISS) last week, astronauts dropped a toolbag. And it turns out you just need a pair of binoculars to see it. The bag is tiny compared to the ISS, but it's reflective enough that when it catches the Sun's light it reaches 6th magnitude from Earth according to Earthsky. Under very dark skies, some powerful binoculars or a small telescope might allow you to see the toolbag. The bag is moving at almost exactly the same speed as the ISS on the same path and about a minute ahead of it. Over time, however, its distance from the ISS will grow, making it harder to find. Eventually, its orbit will become low enough that it burns up from friction with the outer atmosphere. You can find out if you have the ISS passing overhead here if you want to have a chance of seeing the bag. The ISS can only be seen easily when it's dark on the ground and sunlight is still catching it. It means it's usually best seen when the skies are not fully dark - so around dusk or dawn. Here is what the toolbag looks like from space: Sign up to our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings. How to join the indy100's free WhatsApp channel
2023-11-13 22:51
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There’s a ‘lost continent’ which holiday makers have been visiting without knowing
Tourists from across the world may have been holidaying on the remains of a 'lost continent' that's been hiding in plain sight. The continent, known as Greater Adria, reportedly broke off from North Africa almost 250 million years ago. Around 120 years later, it started sinking under parts of Southern Europe including the Alps, the Apennines, the Balkans and Greece. Douwe van Hinsbergen, Professor of Global Tectonics and Paleogeography at Utrecht University, said: "Forget Atlantis. Without realising it, vast numbers of tourists spend their holiday each year on the lost continent of Greater Adria." He added: "The only remaining part of this continent is a strip that runs from Turin via the Adriatic Sea to the heel of the boot that forms Italy." This isn't the first time a 'lost' continent has been discovered... Scientists uncovered Zealandia (or Te Riu-a-Māui in the Māori language) that was reportedly 'lost' for 375 years. In the past, there's been speculation as to whether the continent actually exists. It wasn't until 2017 that geologists discovered the continent had been there all along. According to TN News, Zealandia is 1.89 million square miles in size. It was part of a supercontinent called Gondwana, which included most of Western Antarctica and Eastern Australia, over 500 million years ago. It was first said to have first discovered in 1642 by Dutch businessman and sailor Abel Tasman, who was desperate to uncover the "Great Southern Continent". Scientists agreed on the existence of Zealandia, which started to "pull away" from Gondwana for reasons scientists are still trying to understand. Most of the newfound continent is underwater and has been used as an example by geologists at the Zealand Crown Research Institute GNS Science on how something "very obvious" can take a while to uncover. Sign up for our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-09-07 16:46
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Scientists discover continent that had been missing for 375 years
Geoscientists discovered a continent that had been hiding in plain sight for almost 375 years. Historically, there's been speculation about whether a continent known as Zealandia or Te Riu-a-Māui in the Māori language exists. According to TN News, Zealandia is 1.89 million square miles in size. It was part of a supercontinent called Gondwana, which included most of Western Antarctica and Eastern Australia, over 500 million years ago. It was first said to be first discovered in 1642 by Dutch businessman and sailor Abel Tasman, who was desperate to uncover the "Great Southern Continent". Despite failing to find the new land, he met the local Māori, who were initially displeased by his arrival. However, they went on to provide valuable information about the surrounding land, including the existence of a large landmass to the east. Sign up for our free Indy100 weekly newsletter It wasn't until 2017 that geologists discovered the continent had been hiding in plain sight all along. Scientists agreed on the existence of Zealandia, which started to "pull away" from Gondwana for reasons scientists are still trying to understand. Most of the newfound continent is underwater and has been used as an example by geologists at the Zealand Crown Research Institute GNS Science on how something "very obvious" can take a while to uncover. "[It's] a process which we don't completely understand yet, Zealandia started to be pulled away," Tulloch explained. His colleague Nick Mortimer, who led the study, joked that it was "kind of cool" before explaining: "If you think about it, every continent on the planet has different countries on it, [but] there are only three territories on Zealandia." Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-08-14 22:17
Exclusive-AI being used for hacking and misinfo, top Canadian cyber official says
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AI can create Caucasian faces that look more real than actual humans – study
Artificial intelligence (AI) can generate Caucasian faces that seem more realistic than actual human faces, according to a new study. As per the research, published in Psychological Science and led by experts at the Australian National University (ANU), more people thought the AI-generated white faces were human than the faces of real people. The study found, however, that the same did not apply to faces generated of people of colour. If white AI faces are consistently perceived as more realistic, this technology could have profound implications for people of colour by ultimately reinforcing racial biases online Dr Amy Dawel According to senior author of the paper, Dr Amy Dawel, the reason for the notable difference between generated Caucasian faces and people of colour comes down to the fact that AI algorithms are trained disproportionately on white faces. Dr Dawel said: “If white AI faces are consistently perceived as more realistic, this technology could have profound implications for people of colour by ultimately reinforcing racial biases online. “This problem is already apparent in current AI technologies used to create professional-looking headshots. “When used for people of colour, the AI is altering their skin and eye colour to those of white people.” Researchers found when it comes to AI “hyper-realism”, most people did not realise they were being fooled. Study co-author and ANU PhD candidate Elizabeth Miller said researchers found that most of the study participants who were most confident that their answers were correct paradoxically thought that the AI faces were real. She said: “This means people who are mistaking AI imposters for real people don’t know they are being tricked.” The researchers were also able to discover why AI faces are fooling people. Although there were still physical differences between the AI and human faces, study participants still managed to misinterpret them. Dr Dawel revealed more in-proportion faces were typical signs that AI had generated a face. However, people mistook it as a sign of humanness. She added: “We can’t rely on these physical cues for long. AI technology is advancing so quickly that the differences between AI and human faces will probably disappear soon.” She said this could have profound implications regarding online misinformation and identity theft. Dr Dawel urged public transparency around AI so society can identify issues with the technology before they become more significant problems. “Given that humans can no longer detect AI faces, society needs tools that can accurately identify AI imposters,” she said. “Educating people about the perceived realism of AI faces could help make the public appropriately sceptical about the images they’re seeing online.” Read More AI among the biggest threats to the UK, cyber security agency warns Meta faces renewed criticism over end-to-end encryption amid child safety fears Call of Duty launch sparks record traffic on broadband networks Crypto investment fraud warning issued by major bank Council investigating extent of cyber attack that affected website and systems Setback for Ireland as EU legal adviser recommends revisit of Apple tax case
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