The discussion centers around the possibility of a substance that can burn in nitrogen to release pure oxygen while producing only solid waste. It highlights that combustion typically requires oxygen, leading to questions about how a substance could react with nitrogen. Participants mention "oxygen candles," which are chemical oxygen generators used in emergency situations, such as in mining and aircraft, to produce oxygen without relying on atmospheric oxygen. These generators are maintenance-free and safe, providing a reliable oxygen source, although they generate less oxygen than compressed tanks. The conversation also touches on the use of oxygen generators in space stations, where they serve as backup systems alongside recycled water for oxygen production. Availability for public purchase is noted, with potential restrictions and higher costs compared to traditional oxygen cylinders.
