In pictures: 11 eye-catching solar tech projects

From the world's largest solar furnace to a still that turns salt water into drinking water, the range of devices that harness the sun's energy is breathtaking. Here are some of our favourites

Now you're cooking with solar The SolSource solar cooker, which focuses solar energy onto a small area, can be used to cook meat, vegetables and grains. It reaches temperatures of up to 1,800 degrees Fahrenheit and boils water in 10 minutes.

One Earth Designs developed the solar cooker with input from rural villagers in western China so it would meet their needs and provide a safe, clean alternative to burning coal, wood or dung for cooking. The local government in Qinghai has partnered with One Earth Designs to distribute the first 800 units of the SolSource.

The Kickstarter-funded company also plans to sell the SolSource in Western markets for backyard barbequing to offset some of the costs of distributing the units to rural areas.

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