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- Newsgroups: sci.math
- Subject: Re: Warm and Fuzzy? Koalas vs. Math
- Message-ID: <a_rubin.716598118@dn66>
- From: a_rubin@dsg4.dse.beckman.com (Arthur Rubin)
- Date: 15 Sep 92 23:01:58 GMT
- References: <1992Sep13.210551.24399@galois.mit.edu> <1992Sep14.012850.17387@nuscc.nus.sg> <1992Sep14.034933.26912@galois.mit.edu>
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- In <1992Sep14.034933.26912@galois.mit.edu> jbaez@riesz.mit.edu (John C. Baez) writes:
-
- >matmcinn@nuscc.nus.sg (Mcinnes B T (Dr)) inquires:
-
- >>By the way, John, what IS the best flavour of ice cream?
-
- >It should be easy to calculate once we work out the bugs in our Theory
- >of Everything.
-
- >In the meantime, I've been studying a little string theory. I
- >recommend Kaku's Introduction to Superstrings, in part because it is
- >a good exposition, and in part because he is honest, even listing the
- >pros and cons of string theory quite honestly. Heck, I'll list 'em,
- >just to prove I am not alone in my criticisms. [Slightly abridged.]
-
- >3) It is presumputous to assume that there will be no surprises in
- >the "desert" between 100 and 10^19 GeV. New, totally unexpected
- >phenomena have always cropped up when we have pushed the enrgy scale
- >of our accelerators. Superstring theory, however, makes predcitions
- >over the next 17 orders of magnitude, which is unheard of in the
- >history of science.
-
- But does it predict no new "particle"s in that range?
-
- >5) The theory has an embarrassment of riches. There are
- >apparently *thousands* of ways to bread down the theory to low
- >energies. Which is the correct vacuum? Although superstring theory
- >can produce the minimal theory of SU(3) x SU(2) X U(1), it also
- >predicts many other interactions that have not yet been seen.
-
- I guess it doesn't make predictions yet....
-
- >6) No one really knows how to break a 10-dimensional theory down to 4
- >dimensions.
-
- If only it were 11-dimensional....
-
-
- --
- Arthur L. Rubin: a_rubin@dsg4.dse.beckman.com (work) Beckman Instruments/Brea
- 216-5888@mcimail.com 70707.453@compuserve.com arthur@pnet01.cts.com (personal)
- My opinions are my own, and do not represent those of my employer.
- My interaction with our news system is unstable; please mail anything important.
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