Piñatex is a natural leather alternative made from cellulose fibers extracted from pineapple leaves. The use of pineapple leaf fibers instead of leather has a minimal environmental impact and at the same time it solves the problem of killing animals for leather production.
9. The SALt Lamp — a lamp that runs on water and salt
The SALt Lamp is a device that takes just a glass of water and 2 tablespoons of salt for the lamp to provide enough light for the whole night. And in case there is no salt on hand, it can also run on seawater. The invention is especially helpful in countries where there is no electricity.