Join Girlstart's first partner Google+ Hangout with National Geographic's emerging explorer and Google Science Fair judge TH Culhane at his laboratory in Germany for a do-it-yourself event.
What could you make with a scouring pad, a paper towel, drain cleaner, and an aluminum can tab?
Find out what supplies you'll need to participate in our build-along event: http://on.natgeo.com/Tx3p3H.
Click Continue Reading below to watch our first Google+ Hangout with National Geographic inventor TH Culhane. Check out this backgrounder about National Geographic scholar TH Culhane at