Intelligent Design

Butterflies and Flashlights

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I once met a fellow who was an aficionado of, believe it or not, flashlights. It seemed rather mundane until I saw all the neat designs using LEDs (light emitting diodes). These semiconductor devices have been greatly improved in recent years and are finding a wide range of uses. But as is so often the case, these technological advancements were there all along in the biological world. In this case, certain butterfly species have their own elaborate optical emission system in their wings. As one researcher put it, “Who knows how much time could have been saved if we’d seen this butterfly structure 10 years ago.”  Read more

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