Portable oxygen concentrators refine the air around us to maximize the oxygen we breathe and absorb into our bloodstream. Air contains 78 percent nitrogen, 21 percent oxygen, and 1 percent other ...

Now, 10 oxygen-enrichment machines, located in a storage area inside the house, pull oxygen from the air outside and pump it to four bedrooms and a bunkroom through blue tubing built into the ...

An instrument on Nasa's Perseverance rover on Mars has made oxygen from the planet's carbon dioxide atmosphere. It's the second successful technology demonstration on the mission, which flew a ...