New traffic rules in 'Graphene City'

In the drive to find new ways to extend electronics beyond the use of silicon, physicists are experimenting with other properties of electrons, beyond charge. Physicists now describe a way to manipulate electrons based on their energy in relation to momentum -- called 'valley degree of freedom.'

from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2018/12/181207112802.htm