Here's how Samsung's new flagship phones for 2025 compare with each other, from screens to specs to AI features.

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of people worldwide every day. Reuters provides business, financial ...

Key fact The mains supply in the UK is an alternating current (ac) voltage at a frequency of 50 hertz (Hz) and a voltage of 230 volts (V). The energy input for households is ac as the National ...