The next step in making liquid oxygen is cooling it, and for that job [Shahriar] turned to the cryocooler from a superconducting RF filter, a toy we’re keen to see more about in the future.

The symbol for magnesium is Mg, and sulfuric acid is a compound containing sulfur, oxygen, and hydrogen. Its formula is written: H2SO4. So we write Mg plus H2SO4.

Liquid oxygen, beauty’s new super-ingredient on whatsapp (opens in a new window) Save Rosanna Dodds. Published June 27 2023. Jump to comments section Print this page.

Of course, breathing isn't taking place in liquid oxygen. Or at least, maybe just the one breath, given that it becomes liquid at temperatures of -183°C (-297°F).