Wednesday, October 17, 2007

The Illusory Nature of Space - and especially Time

We live this life within two major illusions - Time and Space.

Space, as Einstein showed, is relative to the observer, and so lacks objective reality. We perceive it as distance in three dimensions, but always we assess it relative to ourselves, or relative to some arbitrary standard.

In the end, there is only experience. What we experience as large when we are toddlers becomes very small when we revisit it as adults. Both experiences are valid, and both are matters of perspective.

Time is a function of our physical reality - it does not exist except as a way of accounting for motion and change. All the ways in which we 'measure' time are really measures of motion and change, whether the orbits of planets, the earth's rotation, the movement of clock hands, the vibration of atoms, or even the appearance of wrinkles as we age. When we try to eliminate change and motion from the definiton, we find that Time eludes us completely.

Again, as Einstein showed, time is relative, but linked to space.

Our experience of time is variable. The Greeks called measured time Kronos, but our perceived time they call Kairos. When we sleep, we may dream what appears like half a lifetime, or we may wake with no sense that time has passed. When we are bored, time drags - when we are busy, we say time flies.

Or as some wag pointed out....:
"Time flies like an arrow...... fruit flies like bananas."

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