Solid-state batteries, which have been used for wireless sensors but are typically considered too expensive for most devices, can now be manufactured much cheaper, according to Applied Materials. The company, which supplies equipment for semiconductor and display industries, says that these longer lasting batteries can be used in anything from smartwatches to electric cars. The company plans its first commercial use of the batteries in wearable devices, where size is a limitation.  Continue reading Longer-Lasting Solid-State Batteries May Power New Wearables