The consumer drone industry is facing new competition from China, as Antigravity – a new brand from omnidirectional camera specialist Insta360, is set to unveil its first product.Scheduled to be unveiled in August, the unmanned aerial vehicle weighs less than 249 grams and features a built-in 360-degree camera with 8K resolution, according to the company. That would make it the industry’s first “360 drone”: until now, users have resorted to attaching full-degree cameras to their flying...