While I'm normally a physics guy, 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. Check out their 2019 annual letter here- gatesletter.org/ Here is a link to learn more about P&G's initiative and to donate (again... not sponsored): csdw.org/ ***Music*** 1:07 Faidherbe Square - Proleter proleter.bandcamp.com/ 2:37 The Ocean - Andrew Applepie andrewapplepie.com/ 3:43 Cereal Killa - Blue Wednesday soundcloud.com/bluewednesday/ 5:30 Dizzy - Andrew Applepie andrewapplepie.com/ 6:02 Arrow - Andrew Applepie andrewapplepie.com/ 6:55 Marimba- Blue Wednesday soundcloud.com/bluewednesday/ 9:38- Bottles - A Shell in the Pit ashellinthepit.bandcamp.com/ 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- teespring.com/stores/markrober PLEASE CONSIDER SUBSCRIBING: tinyurl.com/MarkRober-Sub **************************************** I make videos like this once a month all year long while supplies last: CHECK OUT MY CHANNEL: tinyurl.com/MarkRober-YouTube FACEBOOK: www.facebook.com/MarkRoberYouTube TWITTER: twitter.com/#!/MarkRober INSTAGRAM: www.instagram.com/markrober/