At any point during your reading write down 5 questions you would like to have answered.
Questions to Dragon:(partly with answers)
1) How many atomic bombs were build from the Americans in the Second World War?
2) How many atomic Bombs have the USA?
The United States of America has 5’113 applicable bombs and about 5’000 in inactive ones.[1]
3) How deep can a deep-sea submersible dive?
The Mariana Trench is the deepest point of the world. It is 11’034 meters deep and there is a Pressure of over 1170 bar. In January of 1960 the Swiss Jacques Piccard and the American Don Walsh dove at 10’916 nearly so deep.
4) Which material can withstand such a high pressure?
Steel. The submersible was build of steel and there were no edges because when they are round the pressure distributed better.
5) Why can they hear music under water, when they have no electric power?
Source of evidence: (Quellennachwies)
[1]= Wikipedia; http://de.wikipedia.org/wiki/Kernwaffe stand: 30.10.2011
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