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This is Scientific American's 60-Second Tech. I'm Larry Greenemeier. Got a minute?

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You wouldn't think that things as mundane as rust or the eyes of a garden-variety moth would have much in common with advances in sustainable energy.

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But Swiss researchers report that a way to create highly efficient solar panels may involve photocells incorporating light-absorbing qualities of iron oxide within a structure similar to moth eyes.

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The scientists covered tiny particles of tungsten oxide with iron oxide to mimic the way moth eyes gather light.

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Moth light absorption is highly efficient, for survival reasons,

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because the eyes barely reflect any light, they don't attract the attention of predators.

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And where most solar panels convert light to electricity, these devices use solar rays to split water molecules and produce pure hydrogen fuel.

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Which deals with the storage problem associated with solar power.

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The research will appear in the journal Energy & Environmental Science.

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Stanford University researchers are likewise exploring ways to bypass electricity generation when splitting water molecules.

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Their work combines into a single unit the photoelectric cells that gather sunlight and the electrolyzer that produces hydrogen.

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They published their research last fall in the journal Science.

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Both projects are part of an effort to get solar to better compete with cheap fossil fuels.

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And bring heliocentrism to the power supply.

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Thanks for the minute, for Scientific American's 60-Second Tech. I'm Larry Greenemeier.

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