Actually a lot of imitating human designs from nature to create a product that was created for the benefit of man. But whether humans can exceed the work of nature? Here we will compare, the work of man-made with nature.
Nature: Spiders spinners can produce seven types of silk. The strongest, is called a silk noose, lighter than cotton. However, with the same weight, silk is stronger than steel and kevlar. And if enlarged to the size of a football field, made of silk nets of this type, with a thickness of one centimeter and the distance of four centimeters, can stop a large jet aircraft in flight. Produce spider silk at room temperature, with water as a solvent.
Nature: With a brain the size of the tip of the pen, the king of the butterflies may migrate as far as 3000 miles from Canada to a small forest dimeksiko. These butterflies rely on the sun to navigate and able to compensate for the movement of the sun in the sky.
Nature: Each eye consisted of dragonflies approximately 30,000 lenses. These lenses produce wide-angle image mosaic. Dragonfly compound eye has a wonderful ability to detect motion.