While I'm normally a physics guy, I got to give the chemists out there props on this one. Also, props to Bill and Melinda Gates for partnering with me on this video. Here is a link to learn more about P&G's initiative and to donate (again... not sponsored): https://csdw.org/ I started a company called CrunchLabs where we build a toy together and then I teach you all the juicy physics for how it works. So if you want to learn to think like an engineer and have really fun time doing it, check out the current promotion where you get 2 FREE boxes at null You should also go subscribe to the CrunchLabs YouTube channel cause we’ve got some bangers in the pipeline- null Thanks to these folks for providing some of the music in the video: Ponder - null Laura Shigihara - @supershigi Andrew Applepie - https://soundcloud.com/andrewapplepie Blue Wednesday - https://soundcloud.com/bluewednesday Summary: I used some powder that has a flocculant in it to make swampy water drinkable. This can be used in situations where people don't have access to drinking water. Then I met up with Bill Gates and we talked about why we should help poor countries. MERCH- They are soft- https://teespring.com/stores/markrober