Apple has introduced the iPhone Duo, its first foldable iPhone, with availability scheduled for October 23. The handset opens to a 7.6-inch inner display and uses a 5.4-inch outer screen when closed. Both displays share the same aspect ratio and

The United States is adding battery factories while trying to cut its dependence on China. Domestic cell production has grown, but major supply gaps remain further upstream. Chinese companies still lead global production of several materials needed for lithium-ion batteries.

Japan is expanding its response to investment fraud by using artificial intelligence to detect warning signs in consumer complaints. The Consumer Affairs Agency announced the initiative on September 1 as part of a wider anti-fraud package. The system will analyze