We live in the land of dust and pollen but every chance we get this house gets opened up and aired out. My wife says not to worry about a little dust, you have to eat a pound of dirt before you can die anyway and I must be at least 2 pounds over quota by now. As most already know I spent a number of years on nuclear submarines. When we left for patrol the boat was sealed and remained sealed and submerged for the next 70 or 80 days and sometimes longer. We did not expose ourselves and consequently did not replenish our air with outside air. We cleaned, filtered and generated our own internal atmosphere as necessary. As a result after about 2 weeks or less our air was absolutely sterile and many of the men paid a price when they got home, catching every little bug that ran loose. In later years it was determined that portions of air that had been stored in our air-banks when we were in port should occasionally be bled into the boat just to introduce some of the real world bugs to keep the crew's immune system up and running. I never caught anything anyway so cannot say from personal experience how well it worked for all the others, as I left shortly after the practice was instituted. It would be interesting to know how this problem is being addressed these 40+ years later on the space station, as their air is handled in much the same way as was ours.
Dale in the Flatlands.
John and Carmen Stuart wrote:I open up our home at least twice a week if the weather is not brutal. Our house stays open when the weather is nice.
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