Article December 30, 2002 Issue

A matter of time

Russ Gerber with contributions from Laurance Doyle

Sentinel Radio  Managing Editor Russ Gerber recently interviewed Dr. Laurance Doyle, Principal Investigator at the SETI (Search for Extraterrestrial Intelligence) Institute in Mountain View, California, to get his current thoughts on the topic of time. (For background, see www.seti.org.) The Sentinel has transcribed and adapted the broadcast interview for our readers.

Dr. Doyle, is time absolute—or, if it's subjective, is time in the mind of the observer?

The big debate right now, Russ, is whether time is completely subjective, or whether it exists, in relativistic terms, as a coordinate in the space-time continuum—that is, do we live in a four-dimensional spacetime? So, I guess in answer to your question, that is the big debate: Is time subjective, or is it objective?

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