ooli2@lemm.ee to Archaeology@mander.xyzEnglish · edit-26 months agoOver 3,000 years ago the Assyrians developed a remarkably advanced underwater technique, as illustrated in this ancient relief. It shows Assyrian soldiers using goatskin bags filled with air to breathi.redd.itimagemessage-square41fedilinkarrow-up1170arrow-down135
arrow-up1135arrow-down1imageOver 3,000 years ago the Assyrians developed a remarkably advanced underwater technique, as illustrated in this ancient relief. It shows Assyrian soldiers using goatskin bags filled with air to breathi.redd.itooli2@lemm.ee to Archaeology@mander.xyzEnglish · edit-26 months agomessage-square41fedilink
minus-squareRivalarrival@lemmy.todaylinkfedilinkEnglisharrow-up1·6 months agoInhaling from the bag and exhaling to the atmosphere, yeah, just a couple minutes before the bag is empty. Rebreathing the same air by exhaling back into the bag, you’d probably get 5-10 minutes of usable air.
Inhaling from the bag and exhaling to the atmosphere, yeah, just a couple minutes before the bag is empty.
Rebreathing the same air by exhaling back into the bag, you’d probably get 5-10 minutes of usable air.