Dr Robin Catchpole, senior astronomer at the Royal Observatory Greenwich, said the red coloration was a brilliant effect.

BBC: You are in: Sci/Tech

Miss Adams's agent, Debbie Catchpole, said the 23 year-old was delighted to perform the official opening of the harbour.

BBC: Big Brother's Helen in harbour row

To remedy this problem, Kylie Catchpole of the Australian National University in Canberra and Albert Polman of the Institute for Atomic and Molecular Physics in Amsterdam have been trying to redirect the light that falls onto the surface of a cell in such a way that all colours are efficiently absorbed.

ECONOMIST: Solar energy