1.   The breakthrough idea, known as radiation implosion, was to build a large cylindrical casing that would hold the atomic bomb and hydrogen fuel at opposite ends.

2.   Then Bill had a breakthrough idea.

3.   A lifelong pursuit for the perfect ad, the breakthrough idea and finally, to create a little advertising history for posterity.

4.   But Swedish couple Lisa From and Arne Sandgren have put their breakthrough idea in front of government experts who support their claim that their method works.