For two weeks each year, college students take over a massive stadium and fill it with fighting drones, plastic ammo, and rapt spectators. This is Robomasters, held in Shenzhen by DJI, the world’s leading drone maker. In part two of Hello World Shenzhen, Bloomberg Businessweek’s Ashlee Vance goes inside the world of Nerf-style robo-warfare to spotlight the kinds of innovation that have kept DJI, at the forefront of a booming market, and demonstrates why you may not want him on your squad.

Here’s a fascinating look at yet another technology that was science-fiction not too long ago: exoskeleton technology to help the disabled walk.

Watch this video by BBC Click and be amazed.

For decades, we’ve dreamed of robots that can be our companions.

Now, Danielle Ishak is trying to build one. Named ElliQ, this robot is aimed at the elderly who live alone, and it’s in the homes of about a dozen beta testers in the Bay Area. Ishak’s task is to study these seniors’ interactions with ElliQ to make sure the robot is something they actually want. This is the fifth episode of Next Jobs, a mini-documentary series about careers of the future hosted by Bloomberg Technology’s Aki Ito.