Better superconducting strips hold hope for a perfect national grid.

Twenty years ago this month, two researchers discovered a class of materials that sparked dreams of electricity grids that would transmit power without any losses and trains that would levitate along friction-free tracks.

Read more here.

Better superconducting strips hold hope for a perfect national grid.

Twenty years ago this month, two researchers discovered a class of materials that sparked dreams of electricity grids that would transmit power without any losses and trains that would levitate along friction-free tracks.

Read more here.