5 ms·
It sounds like an endless march of gradual forward progress, since each generation of refrigerants has been less destructive that the one before.
by mustacheemperor 4y ago
It sounds like an endless march of gradual forward progress, since each generation of refrigerants has been less destructive that the one before.
- kragen 4y agothe refrigerants that will still be allowed are literally the ones used in the very first vapor-compression refrigerators in the 19th century: blends of light alkanes, called 'chimogene' at the time; see us patent 87,084 from the year 01869 for example these (and sulfur dioxide) are what cfcs were invented to replace because they were dangerously inflammable if your 'endless march of gradual forward progress' ends up where it started after a century and a half of 'progress' i really question your definition of 'forward'