Water Filter

Water, is a substance that is essential for human survival. Because man can not live without water, ability to distill dirty water into clean water is an incredible achievement of science.

The astronauts needed a way to get clean water in outer space, because the bacteria and the disease can become more deadly in space. Water filtration technology has been known since the early 1950s, but NASA wants to know how to purify water in extreme situations and keeps the water clean for long periods.

If you see water filters, you can usually find small chunks of charcoal-bangkahan in the filter. Sometimes, when you first use a water filter, you will find small black spots of the building blocks it. Charcoal is diaktivkan and contains silver ions that neutralize the bacterial pathogens in water. Along with killing bacteria in water, the filter also suppresses the growth of bacteria. Large companies have applied this technology and have brought us water filtration system. Millions of people use water filters at home telang them every day.

http://unic77.info/10-penemuan-nasa-yang-kita-gunakan-sehari-hari.html