다음 채널에서 시청 가능: Prime Video, discovery+, Sling TV
시즌 1, 에피소드 6: Kevin and his team of science experts head to the streets to show what it takes to build a vortex cannon that can pump out a ring of fire. Later, they transform everyday objects into explosive fireballs.
Documentary · 2017년 1월 25일 · 19분