The innovators: portable solar panels that can be unrolled like a carpet
"Talk is not cheap in the mountains of Nepal. Getting a mobile phone charged can cost $5 in areas where there is no electricity and backpackers have to rely on diesel generators used by locals to power up.
John Hingley had a solution stuffed in his rucksack: a thin and lightweight portable solar panel that unfolded and could generate enough energy to power his phone, camera and computer. As well..."
Lire la suite : https://www.theguardian.com/business/2016/mar/06/the-innovators-portable-solar-panels-renovagen