Exploding Rainbow...
Gav and Dan, the Slow-Mo Guys, are always looking... ...important, things that will look good in a video. Explosions ? Yeah! Pretty colors? Yeah! So they gathered bags... ...ah! Pretty colors? Yeah! So they gathered bags of paint powder and vehicle airbag devices and headed out...
https://www.neatorama.com/2017/02/11/Exploding-Rainbow/
