Random Thoughts

[polymath257]

Yes.

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Unless you do chemistry. Or cryology.

Note: we only see the effects of the sun, or of a chair, or of water.

What he meant is that wind cannot be seen. What can be seen is the effects wind has on malleable things around it.

The sun can be seen, as can water. Therefore, your point fails.

But we *don't* see the sun and water. We see the light reflected, refracted, or passing through them. We see their *effects* and not the things themselves.

That air is transparent to visible light, which forces us to use different effects is, I think, beside the point.

If you want to see air, just look at heat waves.