A Quote by Enrico Fermi

An experiment disproving a prediction is discovery. — © Enrico Fermi
An experiment disproving a prediction is discovery.
Experimental confirmation of a prediction is merely a measurement. An experiment disproving a prediction is a discovery.
[Coining phrase "null hypothesis"] In relation to any experiment we may speak of this hypothesis as the "null hypothesis," and it should be noted that the null hypothesis is never proved or established, but is possibly disproved, in the course of experimentation. Every experiment may be said to exist only in order to give the facts a chance of disproving the null hypothesis.
To me, the most exciting thing about the discovery of the Higgs particle is that its existence was predicted fifty years before its discovery through experiment.
There is no example of someone reading their scripture and saying, 'I have a prediction about the world that no one knows yet, because this gave me insight. Let's go test that prediction,' and have the prediction be correct.
Nobody believes a weather prediction twelve hours ahead. Now we're being asked to believe a prediction that goes out 100 years into the future? And make financial investments based on that prediction? Has everybody lost their minds?
It is better to travel with hope in one's heart than to arrive in safety. . . . We should celebrate today's failure because it is a clear sign that our voyage of discovery is not yet over. The day the experiment succeeds is the day the experiment ends. And I inevitably find that the sadness of ending outweighs the celebration of success.
If you do an experiment and it gives you what you did not expect, it is a discovery.
A prediction, in a field where prediction is not possible, is no more than a prejudice.
Nobody wants a prediction that the future will be more or less like the present, even if that is, statistically speaking, an excellent prediction.
Einstein does not remain attached to the classical principles, and when presented with a problem in physics he quickly envisages all of its possibilities. This leads immediately in his mind to the prediction of new phenomena which may one day be verified by experiment.
I shall go further and say that even if an examination of the past could lead to any valid prediction concerning man's future, that prediction would be the contrary of reassuring.
A prediction is a prediction because it's predictable.
Experiment is actually doing the art. That's the experiment and then you get to experience the experiment.
So the history of discovery, particularly cosmic discovery, but discovery in general, scientific discovery, is one where at any given moment, there's a frontier. And there tends to be an urge for people, especially religious people, to assert that across that boundary, into the unknown, lies the handiwork of God. This shows up a lot.
Experiment - exercising to see the result. We planned Europa not as an experiment in this sense but as a work of art. Yet The Eye and the Ear was done as a consciously designed experiment. Not every avant-garde dealt with experiments and not every experiment equalled avant-garde.
Only human beings can look directly at something, have all the information they need to make an accurate prediction, perhaps even momentarily make the accurate prediction, and then say that it isn't so.
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