1.   American security experts cautioned that they could not fully judge the accuracy of the claim, which was issued in Prague, before more technical details become available.

2.   As the design progresses, the models, always made to exquisitely accurate scale, follow along, becoming increasingly sophisticated as details become clearer in the design.

3.   Because ceilings are so expansive, small details can become strong elements.

4.   But finally, the details had become impossible to ignore.

5.   But when the details became public, Japanese officials said they were compelled, partly for domestic political reasons, to demand a formal explanation.

6.   Even if the details have become a little hazy.

7.   Even the banal details become utterly fascinating, supremely enchanting, mind-blowing.

8.   He says that details will only become clearer with more experiments.

9.   The bureau did not issue the warning publicly, but details quickly became public as law enforcement agencies around the country contacted Jewish groups to alert them.

10.   The detail will become greater, and the ease in finding obscure references will increase.