Researchers build ID data into smart clothing

How to store information in your clothes invisibly, without electronics — University of Washington — “Most people today combine conductive thread — embroidery thread that can carry an electrical current — with other types of electronics to create outfits, stuffed animals or accessories that light up or communicate… The UW researchers realized that this off-the-shelf conductive thread also has magnetic properties that can be manipulated to store either digital data or visual information like letters or numbers. This data can be read by a magnetometer, an inexpensive instrument that measures the direction and strength of magnetic fields and is embedded in most smartphones.”


First battery-free cellphone makes calls by harvesting ambient power

First battery-free cellphone makes calls by harvesting ambient power — University of Washington — “University of Washington researchers have invented a cellphone that requires no batteries — a major leap forward in moving beyond chargers, cords and dying phones. Instead, the phone harvests the few microwatts of power it requires from either ambient radio signals or light.”





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