McFadden was an original member of girl group Atomic Kitten and has appeared in various television shows since leaving the group in 2001.
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Since the electrical properties of solids depend on their crystal structures, his group is experimenting with new atomic lattices.
The group met at the UK's Atomic Weapons Establishment's (AWE) UK headquarters at Aldermaston earlier.
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As the former head of the International Atomic Energy Agency, he won the Nobel Peace Prize for the group's work in nonproliferation and has had a long career interacting with global leaders in international capitals.
One group was born in the mid-1950s during the era of atomic testing.
This Santa Fe conclave, near the atomic haven of Los Alamos National Laboratory, has for years been a clubby group, suspicious of outsiders.
Both had been vying for the same seat on the International Atomic Energy Agency board representing the Middle East and South Asia (Mesa) group.
This Santa Fe, New Mexico enclave, near the atomic haven of Los Alamos National Laboratory, has for years been a clubby group, suspicious of outsiders.
The group, which was founded by scientists who had worked on the first atomic bombs in the second world war, listed the continuing crisis between India and Pakistan over the disputed region of Kashmir as one of their concerns.
India now needs to negotiate a safeguards agreement with the International Atomic Energy Agency (IAEA) and win the consensus of the Nuclear Suppliers' Group so that the Bush administration can present the deal to Congress for a final vote before the end of 2007.
The deal now needs to be approved by the UN's nuclear watchdog, the International Atomic Energy Agency (IAEA), as well as by the 45-nation Nuclear Suppliers Group, which regulates global civilian nuclear trade.
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