Microsoft threw down a direct challenge to Google on Tuesday with an overhaul of its Bing search engine that incorporates artificial intelligence advances sweeping through the tech world since the launch of ChatGPT more than two months ago.Chief executive Satya Nadella claimed the changes marked…

The inventor of the silicon technology that dominates solar power predicts that combining other materials with the silicon may boost the efficiency of photovoltaic cells from around 25 per cent today to more than 40 per cent.Martin Green, an engineer and professor of the University…

More than £4.4bn of taxpayers’ money has been paid out to British banks to cover default and fraud on the £77bn in state-guaranteed loans made to struggling businesses during the coronavirus lockdowns.The latest official data published on Tuesday showed banks had flagged a further £6.2bn…

The cryptocurrency market has been relatively stable over the past 24 hours, with only minor fluctuations in prices. Despite a strong start to the year, the recent surge in crypto prices seems to have lost momentum, with Bitcoin and other digital assets seemingly consolidating. Amid…

Chip suppliers have warned that a European effort to impose a ban on “forever chemicals” will cause widespread disruption to already tight semiconductor supply chains. Five European countries, including Germany and the Netherlands, on Tuesday proposed that the EU phase out tens of thousands of…

© ReutersChipotle Mexican Grill is hopeful a recovery in customer transactions early this year will continue to build in coming months, following a soft end to 2022.Revenue in the fourth quarter, of $2.2bn, was up 11.2 per cent from a year ago and in line…