french inventor
AI umpire can call if the ball is out in tennis
A new gadget soon could put an end to squabbles on the tennis court. A French inventor has created £149 ($200) device that can detect whether balls are out - and he expects to sell it this summer. The device sits on the net and maps the ball's flight - using artificial intelligence (AI) to measure flight, pace and spin. The GoPro-size device, called In/Out fastens to the net and can be assembled in less than a minute. Device attaches to net and can be assembled in one minute.