Electrical and computer engineers have directly observed -- for the first time -- negative refraction for electrons passing across a boundary between two regions in a conducting material. First ...

Negative refraction can produce optical Veselago lenses with a resolution that is not diffraction-limited. Similar lenses can also be made for electrons, with negative refraction of Dirac fermions now ...

The negative refraction of electrons in graphene has been seen for the first time in experiments done by physicists in the US. The work represents an important advance in the fabrication of graphene ...

Berkeley -- A group of scientists at the University of California, Berkeley, is giving new relevance to the term "sharper image" by creating a superlens that can overcome a limitation in physics that ...

Recent experiments that demonstrate the negative refraction of light could bring a heated scientific debate to a close, and give negative-index materials a positive future Figure 1: Negative-index ...