Beijing (CNN) — China has vowed to “fight till the end” after US President Donald Trump escalated his trade war by doubling tariffs on all Chinese imports to 20%.

Donald Trump lashed out at Volodymyr Zelenskyy again on Monday and later said he should be more "appreciative". Earlier, ...

From computer chips to image sensors in cameras, today's technology is overwhelmingly based on a semiconductor called silicon. This technology has been shrinking for decades—think of early room-sized ...