MIT engineers say they developed tiny batteries that could enable the deployment of cell-sized autonomous robots for drug delivery in the human body. The battery measures 0.1. mm long and 0.002 mm thick, coming at roughly the thickness of a human hair. It can capture oxygen from air and use it to oxidize zinc. According…

Researchers at MIT say they developed a rechargeable lithium-ion battery in the form of a fiber that could be woven into fabrics. The researchers say the battery, developed in the form of an ultra-long fiber, could enable a variety of wearable electronic devices and may even be used to make 3D-printed batteries in a multitude…