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Materials

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3-D printed wireless light-up device on a hand

ON HAND  A new 3-D printer creates wireless, light-up devices (one shown) or health sensors directly on a person’s skin, like high-tech temporary tattoos.

Tech fashion show illustration

FASHION FORWARD  Fashion runways may someday showcase designs that respond to your commands, change colors or light your way.

plastic stacked up in landfill

POLLUTION PROBLEM  While some plastic is recycled, most ends up accumulating in landfills. Plastics that are easier to recycle could help change that.

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