Concerned about using up oil-fuelled power and speeding up the destruction of the rainforests?
If so, these solar-powered glasses to power up your iPod or PSP on-the-go may well be the solution for you!
These SIG or "Self-Energy Converting Sunglasses" lenses contain dye solar cells, which suck up energy from the sun's rays and converts it to iPod-friendly power. Simple!
Infinite Energy: SIG
Merely plug your iPod into the power jack at the back of the frame and you need never run out of entertainment on the beach ever again.
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The dye solar cell is described by the SIG's designers Hyun-Joong Kim & Kwang-Seok Jeong as "cheap organic dye [used with] nano technology [providing] cheap but high energy efficiency."
No word as yet on a commercial release or pricing, but we'll be sure to let you know if and when they are available in a Specsavers near you!