Electromagnetic water cloak eliminates drag and wake

Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while simultaneously helping it avoid detection.

Studies of 'amorphous ice' reveal hidden order in glass

A new study challenges the notion that the atomic structure of glass is indistinguishable from that of a liquid—at least for a certain kind of glass called "amorphous ice" that forms when water is cooled to very low temperatures.

Random movements help color-detecting cells form the proper pattern

In fish and other animals, the color detecting cone cells in the retina are arranged in specific patterns, and this is believed to be important for allowing animals to properly sense their surroundings. Now, in research published ...

A new tool for multilayer networks

Sophisticated network analysis means finding relationships that often aren't easy to see. A network may have many layers—corresponding to different types of relationships in a social network, for example—but traditional ...

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