Re: Twistors and Superstrings

Posted by DickT on July 01, 2002 at 13:53:43:

In Reply to: Re: Twistors and Superstrings posted by qubit on July 01, 2002 at 10:06:31:

qubit,

Here's a quote from John Baez's TWFIP week 109, describing one of Roger Penrose's three contributions to gravity:
The second is "twistor theory", [...] This is mathematically more elaborate, and it includes an ambitious program to reformulate the laws of physics in such a way that massless spin-1/2 particles, rather than points of spacetime, play the basic role.

Regards,
Dick

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