There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.
Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.
If I could remember the names of all these particles, I'd be a botanist.
The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.