How Computers Powered by Light Could Help With AI's Energy ProblemComputers that use light instead of circuits to run calculations may sound like a plot point from a Star Trek episode, but researchers have been working on this novel approach to computing for years. They're called optical computers, and labs around the world have been exploring how they might be useful in everyday...

Gemini can now automate some multi-step tasks on Android Google on Wednesday announced a series of updates to its Gemini AI-powered features on the Android operating system, the most notable being a new way to use the AI to handle multi-step tasks like ordering an Uber or food delivery. These automations join other Gemini improvements shipping today, including an expansion of scam detection for...

US President Donald Trump sets his sights on crisis-hit Cuba after Iran actionWill GrantBBC's Mexico, Central America and Cuba correspondentGetty ImagesThe day after Cuba was crippled by another 24-hour nationwide blackout, US President Donald Trump suggested the country was next on his administration's agenda, saying it was "just a question of time" before there would be change on the island....

US-South Africa funding: As American cash dries up the fight to stop Aids gets harderMayeni JonesAfrica correspondent, Cape TownBBCMobile clinics are used to reach South Africans who may not be comfortable using other servicesThe impact of a flourish of the US president's pen in Washington a year ago continues to be felt on individual lives some 13,000km (8,000 miles) away in South Africa.There...

Trump administration balances Ukraine talks and Russia deal prospects Trump administration balances Ukraine talks and Russia deal prospects Audio will be available later today. The U.S. concluded another round of talks to end the war in Ukraine as the White House pressured Ukraine while exploring potential business opportunities...