It is possible to make a material absorb more radiation than it has to re-emit, violating the laws of physics in a way that could make energy-harvesting devices more efficient
It is possible to make a material absorb more radiation than it has to re-emit, violating the laws of physics in a way that could make energy-harvesting devices more efficient It is possible to make a material absorb more radiation than it has to re-emit, violating the laws of physics in a way that could make energy-harvesting devices more efficient