Added on by Alira Callaghan.

Finding an article that encapsulates an entire year of your creative research from 2013:

https://www.mirror.co.uk/news/world-news/haunted-balloon-floating-through-childrens-9301316

 
Chosil Kil @ Dallas Museum of Art Concentrations 58, 2015 Latex balloons, Hi-Float, helium, elastic cord, copper sheet

Chosil Kil @ Dallas Museum of Art
Concentrations 58, 2015
Latex balloons, Hi-Float, helium, elastic cord, copper sheet

 

Helium, latext balloon, fishing line, sandpaper

Research documentation 2013

 

https://www.wired.com/2014/04/nightmarish-black-orb-records-noise-public-spaces/

Also, the struggle of trying to find an artwork you saw once but can't remember any necessary details requires futile googling techniques "giant transparent bubble moving in room contemporary art video installation"