Nature and EnvironmentHarnessing the sun's power on your back10/14/2016October 14, 2016In some parts of Africa, children rely on poisonous kerosene lamps to study at night. But an enterprising 23-year-old's new backpack complete with solar panels and batteries could change that.Copy linkImage: DWAdvertisementHarnessing the sun's power on your back01:23This browser does not support the video element.