The bulky batteries that power mobile devices could one day be extinct. Oki Printed Circuits has showcased technology that embeds a 170?m-thick thin-film all-solid-state lithium-ion (Li-ion) ...

Is the battery empty, or is there something wrong with the device? That’s always a difficult question when your walkman or some other battery-powered device appears to be dead when you switch it on.

New recyclable electronics could be critical to curbing e-waste, scientists argue, especially because these circuit boards can be repaired or reconfigured by simply applying heat. When you purchase ...