Letter: In brief (2)

November 9, 2001

What exactly is it that we would travel through if we time-travelled? (Features, THES , November 2).

The concept of time seems to depend on our assumptions about changes in the condition and arrangement of physical entities.

As we find it hard to pin down "now" (how long is now, for example?), the concepts of before and after could just be human illusions. It may be that we have not the time to travel through time.

Michael Bulley
Ashford, Kent

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