Inflatable tent, portable charger, headtorch: 12 handy festival gadgets

The GuardianInflatable tent, portable charger, headtorch: 12 handy festival gadgetsThe GuardianThis cunning stove will not only heat up water for your coffee, it also charges your USB gadgets. And there are no batteries required: it's fuelled entirely by biomass - just collect some twigs or sticks. It also weighs less than 1kg and comes in a ...