Mushroom solar container battery

A team of researchers at the Swiss Federal Laboratories for Materials Science and Technology (Empa) has devised a new type of energy supplier: a 3D-printed battery made of cellulose that is based on the metabolism of fungi and biodegrades over time. [pdf]

What is the material of the mobile solar container vacuum chamber

The most common materials for the chamber body are stainless steel and aluminum alloys. For less demanding applications, plated mild steel is used, while specialized uses can involve glass, ceramic, or acrylic. [pdf]