Japan phones built to survive showers, toilet-drops

Japanese women are so fond of their phones, they even use them in the shower, say manufacturers. This makes waterproofing a must -- also good against rainstorms and accidents while texting on the toilet.

Trapping butterfly wings' qualities

Butterflies have inspired humans since the time of ancient Egypt, but now they're also inspiring researchers to look toward nature to help create the next generation of waterproof materials for electronics and sensors.

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