China's space station is buzzing with excitement as six astronauts now gather at the station after the arrival of the Shenzhou-15 crew. 

With six modules (three station modules and three spacecrafts) orbiting simultaneously, the station's full potential for serving as more than just a space lab has come into focus. 

How do aspiring space enthusiasts anticipate the China Space Station will expand in the future? Can it be a "way station" before deep-space travel, an in-orbit gas station for spacecrafts, or a defense gate to prevent comet hazards? Check out this episode of "Tech Talk" to find out.