BY MASSIMO PIGLIUCCI
Theoretical Physics the view from outside
Theoretical Physics the view from outside
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
here is the crucial bit about the “falsifiability” of string theory,<br />
or the multiverse, or whatever else:<br />
“Observations or experiments can be accepted as supporting a<br />
theory (or a hypothesis, or a scientific assertion) only if these<br />
observations or experiments are severe tests of the theory—or in<br />
other words, only if they result from serious attempts to refute the<br />
theory, and especially from trying to find faults where these might<br />
be expected in the light of all our knowledge”<br />
which means that, for Popper at the least, “post-diction” (i.e.,<br />
“predicting” things we already know) doesn’t really count
Change language