bpod-mrc: 08 March 2015 Cash and Grab These delicate-looking snowflake shapes are actually tiny mechanical claws. They’re made from a material called hydrogel (pictured in white) which swells up at certain temperatures, pulling an inner skeleton

bpod-mrc: 08 March 2015 Cash and Grab These delicate-looking snowflake shapes are actually tiny mechanical claws. They’re made from a material called hydrogel (pictured in white) which swells up at certain temperatures, pulling an inner skeleton

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