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Scientists have found an array of “dashes” within our universe, all arranged in an unexpected pattern. The vast structures are lying in the middle of our Milky Way galaxy and point towards the black hole at its core. There are hundreds of them, each five to 10 light-years long, researchers say. “It was a surprise to suddenly find a new population of structures that seem to be pointing in the direction of the black hole,” Northwestern University’s Farhad Yusef-Zadeh, who led the research. “I was actually stunned when I saw these. We had to do a lot of work to establish that we weren’t fooling ourselves. And we found that these filaments are not random but appear to be tied to the outflow of our black hole. By studying them, we could learn more about the black hole’s spin and accretion disk orientation. It is satisfying when one finds order in a middle of a chaotic field of the nucleus of our galaxy.” Scientists have no confirmed explanation for where the structures came from, and much about their existence remains a mystery. But one possible explanation is that they were thrown out from after some activity a few million years ago. In the early 1980s, Professor Yusef-Zadeh found a set of gigantic, one-dimensional filaments hanging across our galaxy, near Sagittarius A*, the black hole at the heart of the Milky Way. The new filaments were previously undiscovered, and are much shorter and lie across, spreading out from the black hole. “We have always been thinking about vertical filaments and their origin,” he said. “I’m used to them being vertical. I never considered there might be others along the plane.” The research is described in a new paper, ‘The Population of the Galactic Center Filaments: Position Angle Distribution Reveal a Degree-scale Collimated Outflow from Sgr A* along the Galactic Plane’, published in The Astrophysical Journal Letters. Read More Most powerful space telescope ever built identifies ancient star-studded galaxy Academics prepare for mission to Mars in bid to prove water theory Japan to launch satellite made of wood in 2024

A battery breakthrough made by researchers in Japan could pave the way for next-generation batteries to finally enter mass production. A team from Tokyo University of Science discovered a way to build sodium-ion batteries with an equivalent performance to conventional lithium-ion batteries. Lithium-ion, or li-ion, batteries are found in everything from electric cars to smartphones, however they are made from difficult-to-extract and expensive resources, while also containing liquid electrolytes that are toxic and flammable. By contrast, sodium-ion batteries are cheaper, offer stability against extreme temperatures, and pose no risk of overheating. Until now, their main limitation has been a lower energy density compared to li-ion batteries. To overcome this limitation, the scientists developed a high-capacity electrode made from nanostructured hard carbon, which they were able to optimise and then incorporate into an actual battery. The researchers said the new electrodes deliver “unprecedented performance” and offer a viable option for producing next-generation batteries for consumer electronics and electric vehicles. “This value is equivalent to the energy density of certain types of currently commercialised lithium-ion batteries... and is more than 1.6 times the energy density of the first sodium-ion batteries, which our laboratory reported back in 2011,” said Professor Shinichi Komaba from Tokyo University of Science. The breakthrough could also make sodium-ion batteries viable for other practical applications, such as low carbon footprint energy storage systems for solar and wind farms. The research was detailed in a study, titled ‘New template synthesis of anomalously large capacity hard carbon for Na- and K-ion batteries’, published in the journal Advanced Energy Materials. Read More Breakthrough solar system outperforms military-grade diesel generator

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