Submitted by khenkes on Mon, 02/24/2020 - 15:25
Gives the formula for making bubbles explaining why some are big, some little, and why they stay in the air.
Submitted by khenkes on Tue, 07/18/2017 - 08:37
Gives the formula for making bubbles explaining why some are big, some little, and why they stay in the air.
