Sentences with phrase «nuclear explosion before»

The collection includes an intelligence report from August 1964 predicting that the Chinese would not conduct their first nuclear explosion before the end of the year.

Not exact matches

The day before launch, the U.S. had set off a nuclear explosion at an altitude of 400 kilometers just southwest of Johnston Island in the Pacific Ocean.

The designers want $ 900 million for a laser that will simulate nuclear explosions in the laboratory more accurately than ever before.

In fact, atmospheric pressure rapidly increased eightfold before the explosion in reactor No. 1 on March 12 (nuclear power plants typically operate at roughly 4 atmospheres of pressure).

I don't think I ever had a genuine fear that one day my Cleveland neighborhood would just evaporate in a nuclear explosion but I do know that to the generation before me, the Cold War was very real.