Questions about example sentences with, and the definition and usage of "Ether"

A: Ether now means a specific chemical.

In the past, it has other meanings. You can see here the adjective form still in use:

Ethereal - adj. extremely delicate and light, too perfect for this world.

“Move into the ether” is an old metaphor. I don’t understand it well, but the meaning is clear - today we would call the music ethereal.

A: "Into the ether" means into the void, disappearing.

A: Ether is a word that refers to the invisible force of life that exists in the air and space around all of us (it's used in mystical contexts, and was believed to exist by some old philosophers).

Over here, he's using it poetically, to mean "empty space". He's suspended (hanging or floating) in the ether.

A: example: "I want both pie and a cookie" "you may choose either pink or white"
both is for two things at once, either is for one or the other

A: Check the question to view the answer

A: I just realized how very close these two words are, ether, either. I'm including "either" for that reason.

"Ether, either, the ether."

A: Either*
But yeah, that's fine :)

A: "It is wasteful." / "It is a waste."