Bret Taylor, the chairman of OpenAI’s board, said the artificial intelligence company was “not for sale.” Mr. Musk is separately raising money for his A.I. start-up, xAI. By Cade MetzMike ...
More than half of the world's people live in cities. By 2050, it will be nearly seven in ten. Cities account for more than 70% of global carbon emissions and 60-80% of energy consumption. Rapid ...