Read the following paragraph and determine if the hypothesis is true:

Experimenting on a raft anchored on the river Elbe, Alfred Nobel tries to make nitroglycerine safer to handle. Finds that the addition of kieselguhr turns nitroglycerine into a dough that can be kneaded, and calls it "dynamite".

Select from the following. - Yes; - It's impossible to say; - No;
Hypothesis: Rafts certainly are not something that exist.


