The world is filled with a myriad of sounds and vibrations -- the gentle tones of a piano drifting down the hall, the relaxing purr of a cat laying on your chest, the annoying hum of the office lights ...
A double network hydrogel being stretched to different lengths. The necked region of the hydrogel indicates rupture of the first polymer network (Photo: WPI-ICReDD). New double network hydrogel ...
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