Materials needed • Cardboard toilet roll   • 2 paper or plastic cups   • Pencil   • Scissors • Craft knife Procedure • Take your phone and trace its short end along the side of the toilet roll.   • Cut out the slot in the roll. You can […]

Credit: Kennedy Space Center, NASA Soil isn’t always necessary to garden. Hydroponics needs just nutrient-rich water to grow a plant. There are multiple ways to set up hydroponic growing; here we will focus on the wick method. Materials needed 1. 1⁄2 US gal. (1.9 L) bottle2. A pair of scissors