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Plenty are trying, though; the latest attempt is from Harvard's Wyss Institute, which uses a simple but effective layering method to make a durable, customizable flex sensor.

Slipping Sheets Map Multiple Bends In This Ingenious Flex Sensor. 23 Comments ... and everything is held together with ... ’s biomimetic hand controller — but such sensors could be put to work ...

“ The Flex IO sensor expands the boundaries of smart property monitoring while redefining the uses for an activity sensor,” said Alison Slavin, co-founder and senior vice president at Alarm.com.