Resupply missions are, by definition, Earth dependent, and hydroponics are inadequate for feeding people in large numbers. “We can sustain crews of 10, maybe 20, very comfortably with hydroponic ...

Dark plastic containers for plants. An oxygenation pump, similar to the one used in aquariums. Specific nutrient solution for hydroponics (can be homemade or purchased). Perforated PVC pipes. Inert ...

No need to worry, though, because a natural, homemade deodorant can still be effective without baking soda. There are many alternative odor-eliminating ingredients you can add to deodorant in ...