Watch your vortex spin in the bottle. This is a great educational and fun experiment and activity for school classes, homeschoolers, scouts and any other group. Create a tornado from two liter plastic bottles, water and a colorful plastic connecting tube. Swirling water creates a funnel-shaped...
You don’t get out of the tent to pee. You pee in a bottle instead. There are different “she wee” type of devices for us women to make it feasible. The cycle would usually go: I wake up, pee in a bottle, drink some hot tea, cough a little or listen to others cough (“Khum...