Commend Invention of Machine that Turns Sweat into Drinking Water

Child Drinking Water

Target: Andreas Hammar

Goal: Commend inventor for his invention that turns sweat into drinking water and raising awareness about the lack of clean drinking water for children

The world’s first sweat machine is an invention made by Andreas Hammar — a Swedish Engineer and TV personality from the show “Mekatronik” — that takes a person’s sweaty clothes and purifies it into clean water. The project is a collaboration between UNICEF and Gothia Cup to raise awareness about the lack of clean drinking water for children and to raise money for water purification tablets. Participants were dared to get on a bike to get their clothes sweaty and then drink a small glass of their sweat. Two famous soccer players Tobias Hysen and Mohammad Ali Khan were actually the first try the machine themselves during the Gothia Cup. Other famous celebrities and athletes have contributed as well. The UNICEF and Hammar hope to get water from 70 different nations. No doubt, doing so will raise awareness for their cause.

“We wanted to raise this subject in a new, playful and engaging way. Our Sweat Machine s a reminder that we all share the same water. We all drink and sweat in the same way, regardless of how we look or what language we speak. Water is everyone’s responsibility and concern,” says Per Westberg, Deputy Executive Director at UNICEF Sweden.

There are several techniques in extracting water, but Hammar approached the problem like the space industry would. The challenge was to ensure that every droplet of water would be extracted and purified; the same process is done in space where sweat, cooling water, or urine gets turned back into drinkable water. The extraction component was developed by Hammar in collaboration with the Royal Institute of Technology in Stockholm. Basically, the extraction process allows steam to get through but not bacteria, clothing fibers or salts. Surprisingly, the water that is purified through the Sweat Machine is cleaner than the water out of Swedish taps.

Commend this inventor for his ingenuity and raising awareness for the 780 million people who lack access to clean drinking water.


Dear Andreas Hammar,

I am writing to commend you on your invention the Sweat Machine. It is truly extraordinary to create a machine that allows us to drink our own sweat. The fact that the water purified in your machine is cleaner than tap water is incredible. The campaign that you, UNICEF, and Gothia Cup initiated is extraordinary in how it raises awareness for those without clean drinking water.

I hope you reach your goal of getting 70 nations to contribute to your cause and raise enough money to buy water purification tablets. It saddens me to know that even in our modern age there are still vast populations without clean water. I hope that you will continue with these unique inventions and perhaps install one within impoverished countries.

Keep up the good work; the world needs more people with your brilliance.


[Your Name Here]

Photo Credit: Cecila Snyder

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