Artificial intelligence is helping engineers build solar panels out of a “miracle material”. Scientists have long been excited about the possibility of new perovskite tandem solar cells, which could help bring the vastly improved efficiency of perovskite to mass production. They have an efficiency of more than 33 per cent, dramatically higher than conventional silicon solar cells. Those tandem solar cells come with a host of other benefits, too. They rely on inexpensive raw materials and can be made relatively easily. Engineers have faced a problem, however, in making them cheaply and at scale. To make them efficient, manufacturers need to make a very thin, high-grade layer of perovskite. Doing that is difficult. It relies on a complex process that varies significantly, seemingly with little explanation. Trying to improve that process has often relied on a gradual process of trying out new possibilities through trial and error. Now scientists have successfully built a new system that uses artificial intelligence to try and work out how to build those layers better. Instead of picking through video recordings to work out how different layers work, researchers were able to train a computer system to spot the hidden signs of good and bad coatings. After the system was built, it was able to be used better understand how to change the production to make it more efficient, researchers said. “These are extremely exciting results,” said Ulrich W Paetzold, a researcher from the Karlsruhe Institute of Technology, who worked on the new study. “Thanks to the combined use of AI, we have a solid clue and know which parameters need to be changed in the first place to improve production. “Now we are able to conduct our experiments in a more targeted way and are no longer forced to look blindfolded for the needle in a haystack. This is a blueprint for follow-up research that also applies to many other aspects of energy research and materials science.” An article describing the breakthrough, ‘Discovering Process Dynamics for Scalable Perovskite Solar Cell Manufacturing with Explainable AI’, is published in Advanced Materials. Read More Tiny solar-powered van unveiled in Japan Solar panel world record smashed with ‘miracle material’ ‘We let you down’: Peloton apologises for Thanksgiving ride

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TikTok has uncovered and shut down a secretive operation to influence Irish users and whip up social conflict. The covert influence operation (CIO) network comprised 72 accounts with a total following of almost 95,000 users. The video sharing platform’s work to find and remove the accounts was detailed in a report to the European Commission. TikTok is a signatory of an EU code of practice aimed at combatting disinformation and misinformation online. Ireland from March to June 2023" data-source=""> The latest report covered the timespan from January to June this year. “The network targeted Irish audiences,” TikTok said of the CIO in Ireland. “The individuals behind this network created inauthentic accounts; hyper-posted content with divisive views related to nationalism in Ireland, Japan, Russia, and Taiwan; and hyper-posted comments with similar low-quality content in an attempt to redirect TikTok users off-platform and to intensify social conflict.” TikTok moved against similar covert influence operations in Russia, Poland and Germany. The report also revealed that from March to June 2023, TikTok removed 67,013 fake accounts in Ireland. Those accounts were followed by 296,274 users. In the first half of the year, TikTok removed 218,158 fake followers on accounts in Ireland and prevented 26,034,349 fake follow attempts. There were also 144 accounts banned under TikTok’s impersonation policies. A total of 2,165 videos were removed in Ireland because of violation of harmful misinformation policy. Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live Spotify will not ban all AI-powered music, says boss of streaming giant Vehicle scam reports surged by 74% in the first half of 2023, says Lloyds Bank Standard Life confirms plans for pensions dashboard

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