Energy & Green Tech

Why solar panels do not always live up to expectations

The need to switch to renewable energy sources such as wind and solar has never been more urgent. As the gas tap is slowly turned off, electricity becomes more and more expensive, and the effects of the warming climate are ...

Engineering

Creating a perfect trap for light

Whether in photosynthesis or in a photovoltaic system: If you want to use light efficiently, you have to absorb it as completely as possible. However, this is difficult if the absorption is to take place in a thin layer of ...