If you put mothballs in a solution of vinegar and baking powder, the balls will collect air bubbles; then after they cause the balls to rise, the bubbles pop, and the mothballs drop.
It’s Cyber Monday on WonderHowTo! Don’t miss out on all the big sales in the Gadget Hacks shop and Null Byte shop. Use code CMSAVE20 to save on everything, and use CMSAVE40 for all things apps and software. For online courses, apply code CMSAVE70 for the biggest discounts.