surviveing in volcano: yes breatheing in space: yes ↑explination Empty space isn't empty. There are a bunch of quarks flying around in a gluon field. Sometimes, the quarks are bonded by somthing called a flux tube [srsly]. This generally inhibits the energy levels of the gluon field. this flux tube connection can be lengthened by pulling apart the bonded quarks. this is fine, but for one thing: ↓