Scientists 3D-print transparent glass

Scientists in Germany have successfully 3D-printed transparent glass.

Dr Bastian Rapp and his team from the Karlsruhe Institute of Technology spent two and half years developing the method.

They hope to print anything from photographic lenses and fibre optics to glass structures for buildings and rooftops for cars.

BBC Click finds out more.

See more at Click's website and @BBCClick, external.