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- From: weeks@hpscit.sc.hp.com (Greg Weeks)
- Date: Wed, 27 Jan 1993 21:24:44 GMT
- Subject: Weinberg and the end of physics?
- Message-ID: <56960007@hpscit.sc.hp.com>
- Organization: Hewlett-Packard, Santa Clara, CA
- Path: sparky!uunet!europa.eng.gtefsd.com!emory!swrinde!zaphod.mps.ohio-state.edu!sdd.hp.com!hpscit.sc.hp.com!hplextra!hpcc05!hpscit!weeks
- Newsgroups: sci.physics
- Lines: 13
-
- I've been picking up mixed signals regarding the state of quantum gravity.
-
- On the one hand, there are still texts that allude to the basic problem --
- ie, how to develop a quantum theory without a fixed underlying space-time.
- On the other hand, Steven Weinberg says that the ultimate theory may be at
- hand, based (I take it) on structures that are more extended, more
- algebraically complex, and on a higher-dimensional underlying manifold than
- previous theories.
-
- So which is it? Has progress been made on what many people considered to
- be the fundamental problem? Or are hopes being pinned on theories based on
- flat, ultimately unobservable space-times?
-
-