Everything Explained Lab on Instagram: "The post features a 1:01-second TikTok video showing a specialized underwater boat system that allows people to walk along the seabed while remaining inside a pressurized air chamber. The structure works on diving bell principles where air pressure keeps water out enabling safe underwater movement without diving gear. Originally shared on TikTok by @janneksplace, the clip has reached over 18 million views drawing fascination from viewers curious about mari