Abstract: The recently proposed affine frequency division multiplexing (AFDM) is a new transmission waveform that has shown excellent performance in high-mobility environments, making it a sensible ...

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

OpenAI CEO Sam Altman has declared “code red” at the company, refocusing all resources into improving the quality of its flagship product ChatGPT and delaying other initiatives, some of which are yet ...

Code Red at OpenAI: Employees Ordered to Focus on ChatGPT Improvements CEO Sam Altman reportedly told staff on Monday that the company needs to concentrate on its chatbot to ensure it doesn’t fall ...