A Swedish engineer has built a new machine for Unicef that can convert a person's sweat into clean drinking water.
The machine has been built by Andreas Hammar in order to raise awareness that over 780 million have no access to clean water supply and thousands die every day due to thirst or drinking contagious water. While the machine is not seen as a substitute to increase the availability of clean drinking water, it is seen as a great way to increase the awareness.
AdvertisementHammer revealed that the machine extracted moisture from worn clothes and sent it through a series of filters that purified the water and provides a water supply that is cleaner than the local tap water. More than 1,000 people so far have drunk water cleaned by the machine.
"We use a substance that's a bit like Gortex that only lets steam through but keeps bacteria, salts, clothing fibres and other substances out. They have something similar on the [International] Space Station to treat astronaut's urine - but our machine was cheaper to build. The amount of water it produces depends on how sweaty the person is - but one person's T-shirt typically produces 10ml [0.3oz], roughly a mouthful", Hammer said.
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