High energy particle physics theorists - the people who lead the investigations into the most fundamental aspects of nature - have been having a bad streak. They have had no major successful new idea in the last forty years, all the theories they've proposed -- and there are lots of them -- have failed to yield an experimental signature. The excuses for failure are flying thick.
Mathematician Peter Woit at Columbia University in his blog,
recently quoted physicist Nima Arkani-Hamed of the Institute of Advanced Studies, Princeton, from an answer given in the Q&A session after a seminar, thus:
You could very justifiably say “look, you’re just continuing to make
excuses for a paradigm that failed”, OK, and I would say that’s true,
and even the paradigm most of your advisors love [e.g. usual SUSY] was already an excuse for the failure of non-supersymmetric GUTs before that.
That is a perfectly decent attitude to take, but I would like to at
least tell you that you should study some of the history of physics.
This very, very, very rarely happens, that some idea that seems
basically right is just crap and wrong, It’s probably mostly right with
a tweak or some reinterpretation. You’d have to go back over…, I don’t
know how far you’d have to go back, even Ptolemy wasn’t so far from
wrong…
Ouch! That is some seriously bad reading of the history of physics. That was amply pointed out in the comments on the blog.
Rutgers University physicist Amitabh Lath rightly, I think,
pointed out:
Stop picking on Nima. You all are doing the internet thing of taking one statement in an hour talk and ganging up.
But challenged on it, he
continued:
Even the pre-Copernican Ptolemaic stuff made sense to me. Basically,
there are concepts in a failed theory that you might want to keep
(things moving in circles around other things) and others you might want
to jettison. Granted, he is not very good at history of science.
Double Ouch! Is "things moving in circles around other things" a valuable idea from the Ptolemaic theory of the solar system? I think it is wrong on two counts -- firstly, the idea of things moving in circles around other things is present in earlier theories of the heavens; and secondly, things moving in circles around other things is not a theoretical idea; it is a root observation, the experience early humans had of the skies, at the very start of the study of the heavens. For example, the sun rises at the east horizon in the morning every day, sets at the west horizon in the evening and presumably somehow finds its way back in the dark to the east horizon the next morning, completing a closed loop if not a circle, per the early earth-bound humans.
I'm happy that I'm not in the high energy physics milieu at all. Lot of mathematics, very little understanding.
