Physicists at Umeå University, in collaboration with researchers in China, have developed a laser made entirely from biomaterials—birch leaves and peanut kernels. The environmentally friendly laser ...

An advanced laser has been created using just leaves and peanuts. Scientists made the state-of-the-art technology entirely from biomaterials – birch leaves and peanut kernels. They say the ...

Birch leaf and peanut kernel-based source could be a cheap, accessible tool for diagnostics and imaging. Jia Wang, of the Department of Physics at Umeå. Physicists at Umeå University, Sweden, in ...