Murata Manufacturing showed off a running shoe embedded with clear piezo film devices and a Bluetooth smart module. Five small patches of piezo film placed on the sole can detect friction and foot movement inside the "smart" shoe, allowing it to measure and help regulate the user’s walking or running habits.
Researchers have been working on a number of alternative chemistries to lithium-ion for next-gen batteries, silicon-air among them. However, while the technology has been viewed as promising and cost-effective, to date researchers haven’t managed to develop a battery of this chemistry with a viable running time -- until now.
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