Just when you think that portable power stations have become as good as they are going to get, a company goes ahead and makes some big changes that you just didn't see coming. Regular readers will ...

A MOF enhanced tribovoltaic nanogenerator directly charges a supercapacitor, creating a compact self-charging system that powers devices through sliding motion in a screen time management prototype.

A tiny camera with masses of possibilities – waterproof, wearable, and almost suspiciously cheap. Is this the ultra-compact camera to kill off traditional GoPros?