Charge it!

The latest from scientists is a wool fabric woven with solar cells and “triboelectric nanogenerators” to actually create enough electrical energy to power your phone while you walk. The fabric, as reported on Thrillist, is slightly thick and rough, but could lead the way to integrated wearable technology, without bulky power supplies or recharging cables. However this develops, you can be sure we’ll know how to keep it clean and fresh, and powerful.