The Scottish government asked radiation scientists at the HPA late last year to assess the risks to public health from radioactive sources discovered at the beach.

BBC: Dalgety Bay radiation: Particles pose 'low risk' to public

In 2009, Esa funded a pilot project to examine the cost and practicality of establishing a European source of material for Radioactive Power Sources (RPS).

BBC: Nuclear space batteries could boost Sellafield jobs