Could a non-material living being exist?

I'm imagining an electromagnetic wave that could deliberately alter its wavelength. It would be a totally unfamiliar type of creature, but actually, we material beings act because of the electical neuro-signals in our bodies. So assume that it's a wave that could change its wavelength. I'm also thinking about its trajectory. I'm uncertain whether it's actually physically possible, but suppose it could change directions at will. (If the ray actually has a two dimensional cross section, it could 'heat up' one side of it to expand it, therefore turning to the opposite side). If so, then, if it had a device similar to a speaker it could pass through it to make sound. So it would communicate, but that means energy losses, so would it be slowly killing itself by 'speaking'?

Also, if it passed through a human being at a certain wavelength, it would in theory be warming him up. So if a person was stuck in the middle of the arctic desert with one of those he would not die of hypothermia, but he couldn't send a message out either because the wave would be busy passing through his body.

In theory (in my head) it makes sense, I'm just trying to understand whether I made some fundamental logical steps (maybe about the speaker, those things are pretty complicated).

This might be complete nonesence, but they do have a particularly intelligent shade of blue in The Hitchhiker's Guide to the Galaxy...

posted over 9 years ago

L.R.‭

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