Bifalgorithm post

With two bottles, you can turn undrinkable seawater into fresh drinking water using only sunlight. The sun heats the seawater inside the first bottle, causing the water to evaporate. The dissolved salt cannot evaporate, so it remains behind and gradually collects as concentrated salt crystals. The vapor then travels into the cooler second bottle, where it condenses into clean droplets. These droplets slowly collect, producing fresh water that can be safely consumed. This process is called solar distillation. It works like the natural water cycle, separating water from salt without filters, electricity, or chemicals.

With two bottles, you can turn undrinkable seawater into fresh drinking water using only sunlight. The sun heats the seawater inside the first bottle, causing…