Thermoelectric materials are able to generate an electrical current, via a temperature gradient within themselves.
Dependable, that’s what cast iron is. It will last for centuries if properly cared for, and it has a natural non-stick surface that’s eco-friendly.
Keeping our planet healthy is something we should all be trying to do.
A unique source of renewable energy Despite the recent UN Climate Change Conference in Copenhagen showing how hard it is to build an international consensus, the worldwide drive to find clean, renewable energy sources remains undimmed. This isn’t simply an issue of global warming.
Fuel cells have been a tantilizing technolgy for decades - powering space vehicles, but always a little out of reach for domestic or commercial use.
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Camping's all about enjoying the outdoors; but let's face it - electronics are hard to power in the outdoors...There's nothing worse than pulling out your camera to snap a photo of a great view and finding out your battery's dead!