IRVINE, Calif.--(BUSINESS WIRE)--May 23, 2023--

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KANSAS CITY, Mo.--(BUSINESS WIRE)--May 25, 2023--

Internet privacy company Proton announced Wednesday a new VPN Observatory, tracking demand for its services to detect attacks on free speech in countries like Russia and...

The universe appears to be speaking to us, after a centuries old “echo” from a supermassive black hole was detected by scientists. The black hole located inside the Milky Way became active around 200 years ago and produced a sound that is now being studied. The research was published in Nature and focuses on the black hole named Sagittarius A* (Sgr A*) found 26,000 light-years away from Earth. The noise was triggered when the object consumed gas and dust, with particles moving into the event horizon. The findings could teach us more about the activity of supermassive black holes, which continue to intrigue and confound scientists. Sign up to our free Indy100 weekly newsletter Author of the research Dr Frederic Marin of Strasbourg University said: “It reveals the past awakening of this gigantic object – which is four million times more massive than the Sun. “Our work presents the missing piece of evidence that X-rays from the giant molecular clouds are due to reflection of an intense, yet short-lived flare produced at or nearby Sagittarius A*. These results can further constrain the past activity of the galactic centre.” By their very nature, black holes are difficult to study as they absorb light around them, and these new findings offer insight into a fascinating part of space. Dr Marin said: “To get an idea of the increase in intensity of the X-ray emission when the black hole emerged from its quiescent state, it is as if a single glow-worm hidden in a forest suddenly became as bright as the Sun. “These findings explain why galactic molecular clouds near Sgr A* are shining more brightly than usual. It is because they are reflecting the X-rays emitted by Sgr A* 200 years ago.” 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.

A U.N. technology agency assembled a group of robots that physically resembled humans at a news conference

Scientists say they have built the first ever “breathing, sweating, shivering” robot, designed to cope and adapt to different temperatures. The heat-sensitive “thermal mannequin”, dubbed ANDI, features 35 individually controlled surfaces with pores that bead sweat like humans. Designed by US firm Thermetrics for use by researchers at Arizona State University, the robot was created to help better understand the health impacts of extreme temperatures on the human body. “ANDI sweats, he generates heat, shivers, walks and breathes,” said Konrad Rykaczewski, principal investigator for the ASU research project, whose work aims to identify and measure the effects of extreme heat on humans. “There’s a lot of great work out there for extreme heat, but there’s also a lot missing. We’re trying to develop a very good understanding of how heat impacts the human body so we can quantitatively design things to address it.” Some of the 10 sweating robots built by the researchers are already being used by clothing companies for garment testing, however ASU’s android is the only one that can be used outdoors. This allows experiments in previously impossible extreme heat environments, as well as studies into the impact of solar radiation. ASU researchers plan to test ANDI in heat-vulnerable areas around Phoenix this summer in an effort to understand how different ages and body types are impacted by high temperatures. “We can move different BMI models, different age characteristics and different medical conditions [into ANDI],” said Ankit Joshi, an ASU research scientist leading the modelling work and the lead operator of ANDI. “A diabetes patient has different thermal regulation from a healthy person. So we can account for all this modification with our customised models.” The results will be used to design interventions, such as cooling clothes and technologies to protect against heat stroke and heat-related deaths. Read More Electric cars could save more than 100,000 lives, study claims Electric cars could save more than 100,000 lives, study claims ‘I saw the future. It left me in tears’ This could be the end of ‘ducking’

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