USA Today reported today that a joint venture between Toyota Motor Co. and Panasonic will start making lithium-ion batteries next year, reportedly for use in plug-in hybrid vehicles. The Toyota-Panasonic joint venture previously made nickel-metal hydride batteries for Toyota’s hybrids. Automakers are looking to lithium-ion for future hybrids because it offers higher energy density.
Five years ago, optical heart rate tracking seemed like an obvious successor to the popular chest straps used by many fitness buffs, but the technology has faced myriad engineering challenges on its way to market acceptance.
Design engineers need to prepare for a future in which their electronic products will use not just one or two, but possibly many user interfaces that involve touch, vision, gestures, and even eye movements.
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