Yes, that is a camel with solar panels mounted on its back. I could let you guess what they are for, but I won’t. The solar cells power a small refrigerator, which allows them to deliver heat-sensitive vaccines to remote health centers that serve nomadic communities in Africa. When refrigeration is not needed, the solar system provides lighting at the clinic. To back up the solar system, for the rare times that the sun is not shining in the desert, there is also a foot-powered generator. [Tree Hugger via MAKE]

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